Information schema improvements
This commit is contained in:
Peter Eisentraut
parent
310049a19b
commit
297c1658ed
@ -1,4 +1,4 @@
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<!-- $Header: /cvsroot/pgsql/doc/src/sgml/information_schema.sgml,v 1.1 2003/05/18 20:55:56 petere Exp $ -->
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<!-- $Header: /cvsroot/pgsql/doc/src/sgml/information_schema.sgml,v 1.2 2003/05/25 09:36:09 petere Exp $ -->
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<chapter id="information-schema">
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<chapter id="information-schema">
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<title>The Information Schema</title>
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<title>The Information Schema</title>
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@ -148,7 +148,8 @@
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<para>
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<para>
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The view <literal>check_constraints</literal> contains all check
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The view <literal>check_constraints</literal> contains all check
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constraints, either defined on a table or on a domain, that are
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constraints, either defined on a table or on a domain, that are
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owned by the current user.
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owned by the current user. (The owner of the table or domain is
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the owner of the constraint.)
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</para>
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</para>
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<table>
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<table>
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@ -266,7 +267,9 @@
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<para>
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<para>
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The view <literal>columns</literal> contains information about all
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The view <literal>columns</literal> contains information about all
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table columns (or view columns) in the database. System columns
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table columns (or view columns) in the database. System columns
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(<literal>oid</>, etc.) are not included.
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(<literal>oid</>, etc.) are not included. Only those columns are
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shown that the current user has access to (by way of being the
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owner or having some privilege).
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</para>
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</para>
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<table>
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<table>
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@ -335,16 +338,24 @@
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<row>
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<row>
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<entry><literal>data_type</literal></entry>
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<entry><literal>data_type</literal></entry>
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<entry><type>character_data</type></entry>
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<entry><type>character_data</type></entry>
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<entry>Data type of the column</entry>
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<entry>
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Data type of the column, if it is a built-in type, else
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<literal>USER-DEFINED</literal> (in that case, the type is
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identified in <literal>udt_name</literal> and associated
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columns). If the column is based on a domain, this column
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refers to the type underlying the domain (and the domain is
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identified in <literal>domain_name</literal> and associated
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columns).
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</entry>
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</row>
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</row>
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<row>
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<row>
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<entry><literal>character_maximum_length</literal></entry>
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<entry><literal>character_maximum_length</literal></entry>
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<entry><type>cardinal_number</type></entry>
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<entry><type>cardinal_number</type></entry>
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<entry>
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<entry>
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If the column has a character or bit string type, the declared
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If <literal>data_type</literal> identifies a character or bit
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maximum length; null for all other data types or if no maximum
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string type, the declared maximum length; null for all other
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length was declared.
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data types or if no maximum length was declared.
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</entry>
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</entry>
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</row>
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</row>
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@ -352,9 +363,10 @@
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<entry><literal>character_octet_length</literal></entry>
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<entry><literal>character_octet_length</literal></entry>
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<entry><type>cardinal_number</type></entry>
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<entry><type>cardinal_number</type></entry>
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<entry>
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<entry>
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If the column has a character type, the maximum possible length
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If <literal>data_type</literal> identifies a character type,
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in octets (bytes) of a datum (this should not be of concern to
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the maximum possible length in octets (bytes) of a datum (this
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PostgreSQL users); null for all other data types.
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should not be of concern to PostgreSQL users); null for all
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other data types.
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</entry>
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</entry>
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</row>
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</row>
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@ -362,11 +374,11 @@
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<entry><literal>numeric_precision</literal></entry>
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<entry><literal>numeric_precision</literal></entry>
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<entry><type>cardinal_number</type></entry>
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<entry><type>cardinal_number</type></entry>
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<entry>
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<entry>
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If the column has a numeric type, this column contains the
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If <literal>data_type</literal> identifies a numeric type, this
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(declared or implicit) precision of the type for this column.
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column contains the (declared or implicit) precision of the
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The precision indicates the number of significant digits. It
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type for this column. The precision indicates the number of
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may be expressed in decimal (base 10) or binary (base 2) terms,
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significant digits. It may be expressed in decimal (base 10)
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as specified in the column
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or binary (base 2) terms, as specified in the column
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<literal>numeric_precision_radix</literal>. For all other data
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<literal>numeric_precision_radix</literal>. For all other data
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types, this column is null.
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types, this column is null.
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</entry>
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</entry>
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@ -376,8 +388,8 @@
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<entry><literal>numeric_precision_radix</literal></entry>
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<entry><literal>numeric_precision_radix</literal></entry>
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<entry><type>cardinal_number</type></entry>
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<entry><type>cardinal_number</type></entry>
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<entry>
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<entry>
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If the column has a numeric type, this column indicates in
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If <literal>data_type</literal> identifies a numeric type, this
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which base the values in the columns
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column indicates in which base the values in the columns
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<literal>numeric_precision</literal> and
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<literal>numeric_precision</literal> and
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<literal>numeric_scale</literal> are expressed. The value is
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<literal>numeric_scale</literal> are expressed. The value is
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either 2 or 10. For all other data types, this column is null.
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either 2 or 10. For all other data types, this column is null.
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@ -388,11 +400,12 @@
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<entry><literal>numeric_scale</literal></entry>
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<entry><literal>numeric_scale</literal></entry>
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<entry><type>cardinal_number</type></entry>
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<entry><type>cardinal_number</type></entry>
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<entry>
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<entry>
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If the column has an exact numeric type, this column contains
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If <literal>data_type</literal> identifies an exact numeric
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the (declared or implicit) scale of the type for this column.
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type, this column contains the (declared or implicit) scale of
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The scale indicates the number of significant digits to the
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the type for this column. The scale indicates the number of
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right of the decimal point. It may be expressed in decimal
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significant digits to the right of the decimal point. It may
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(base 10) or binary (base 2) terms, as specified in the column
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be expressed in decimal (base 10) or binary (base 2) terms, as
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specified in the column
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<literal>numeric_precision_radix</literal>. For all other data
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<literal>numeric_precision_radix</literal>. For all other data
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types, this column is null.
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types, this column is null.
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</entry>
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</entry>
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@ -402,9 +415,9 @@
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<entry><literal>datetime_precision</literal></entry>
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<entry><literal>datetime_precision</literal></entry>
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<entry><type>cardinal_number</type></entry>
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<entry><type>cardinal_number</type></entry>
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<entry>
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<entry>
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If the column has a date, time, or interval type, the declared
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If <literal>data_type</literal> identifies a date, time, or
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precision; null for all other data types or if no precision was
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interval type, the declared precision; null for all other data
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declared.
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types or if no precision was declared.
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</entry>
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</entry>
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</row>
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</row>
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<entry><literal>udt_catalog</literal></entry>
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<entry><literal>udt_catalog</literal></entry>
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<entry><type>sql_identifier</type></entry>
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<entry><type>sql_identifier</type></entry>
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<entry>
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<entry>
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Name of the database that the column data type is defined in
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Name of the database that the column data type (the underlying
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(always the current database), null if the column has a domain
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type of the domain, if applicable) is defined in (always the
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type.
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current database)
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</entry>
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</entry>
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</row>
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</row>
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<entry><literal>udt_schema</literal></entry>
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<entry><literal>udt_schema</literal></entry>
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<entry><type>sql_identifier</type></entry>
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<entry><type>sql_identifier</type></entry>
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<entry>
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<entry>
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Name of the schema that the column data type is defined in,
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Name of the schema that the column data type (the underlying
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null if the column has a domain type.
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type of the domain, if applicable) is defined in
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</entry>
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</entry>
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</row>
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</row>
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<row>
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<row>
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<entry><literal>udt_name</literal></entry>
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<entry><literal>udt_name</literal></entry>
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<entry><type>sql_identifier</type></entry>
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<entry><type>sql_identifier</type></entry>
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<entry>Name of the column data type, null if the column has a domain type.</entry>
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<entry>
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Name of the column data type (the underlying type of the
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domain, if applicable)
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</entry>
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</row>
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</row>
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<row>
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<row>
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@ -533,7 +549,11 @@
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<row>
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<row>
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<entry><literal>dtd_identifier</literal></entry>
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<entry><literal>dtd_identifier</literal></entry>
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<entry><type>sql_identifier</type></entry>
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<entry><type>sql_identifier</type></entry>
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<entry>Applies to a feature not available in PostgreSQL</entry>
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<entry>
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A unique identifier of the data type of the column (The
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specific format of the identifier is not defined and not
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guaranteed to remain the same in future versions.)
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</entry>
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</row>
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</row>
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<row>
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<row>
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@ -544,6 +564,109 @@
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</tbody>
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</tbody>
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</tgroup>
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</tgroup>
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</table>
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</table>
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<para>
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Since data types can be defined in a variety of ways in SQL, and
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PostgreSQL contains additional ways to define data types, their
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representation in the information schema can be somewhat difficult.
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The column <literal>data_type</literal> is supposed to identify the
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underlying built-in type of the column. In PostgreSQL, this means
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that the type is defined in the system catalog schema
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<literal>pg_catalog</literal>. This column may be useful if the
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application can handle the well-known built-in types specially (for
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example, format the numeric types differently or use the data in
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the precision columns). The columns <literal>udt_name</literal>,
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<literal>udt_schema</literal>, and <literal>udt_catalog</literal>
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always identify the underlying data type of the column, even if the
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column is based on a domain. (Since PostgreSQL treats built-in
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types like user-defined types, built-in types appear here as well.
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This is an extension of the SQL standard.) These columns should be
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used if an application wants to process data differently according
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to the type, because in that case it wouldn't matter if the column
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is really based on a domain. If the column is based on a domain,
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the identity of the domain is stored in the columns
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<literal>domain_name</literal>, <literal>domain_schema</literal>,
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and <literal>domain_catalog</literal>. If you want to pair up
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columns with their associated data types and treat domains as
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separate types, you could write <literal>coalesce(domain_name,
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udt_name)</literal>, etc. Finally, if you want to check whether
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two columns have the same type, use
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<literal>dtd_identifier</literal>.
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</para>
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</sect1>
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<sect1 id="infoschema-constraint-table-usage">
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<title><literal>constraint_table_usage</literal></title>
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<para>
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The view <literal>constraint_table_usage</literal> identifies all
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tables in the current database that are used by some constraint and
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are owned by the current user. (This is different from the view
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<literal>table_constraints</literal>, which identifies all table
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constraints along with the table they are defined on.) For a
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foreign key constraint, this view identifies the table that the
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foreign key references. Unique and primary key constraints simply
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identify the table they belong to. Check constraints and not-null
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constraints are not included in this view.
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</para>
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<table>
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<title><literal>constraint_table_usage</literal> Columns</title>
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<tgroup cols="3">
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<thead>
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<row>
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<entry>Name</entry>
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<entry>Data Type</entry>
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<entry>Description</entry>
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</row>
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</thead>
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<tbody>
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<row>
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<entry><literal>table_catalog</literal></entry>
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<entry><type>sql_identifier</type></entry>
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<entry>
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Name of the database that contains the table that is used by
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some constraint (always the current database)
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</entry>
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</row>
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<row>
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<entry><literal>table_schema</literal</entry>
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<entry><type>sql_identifier</type></entry>
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<entry>
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Name of the schema that contains the table that is used by some
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constraint
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</entry>
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</row>
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<row>
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<entry><literal>table_name</literal</entry>
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<entry><type>sql_identifier</type></entry>
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<entry>Name of the table that is used by some constraint</entry>
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</row>
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<row>
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<entry><literal>constraint_catalog</literal></entry>
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<entry><type>sql_identifier</type></entry>
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<entry>Name of the database that contains the constraint (always the current database)</entry>
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</row>
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<row>
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<entry><literal>constraint_schema</literal</entry>
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<entry><type>sql_identifier</type></entry>
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<entry>Name of the schema that contains the constraint</entry>
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</row>
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<row>
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<entry><literal>constraint_name</literal</entry>
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<entry><type>sql_identifier</type></entry>
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<entry>Name of the constraint</entry>
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</row>
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</tbody>
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</tgroup>
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</table>
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</sect1>
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</sect1>
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<sect1 id="infoschema-domain-constraints">
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<sect1 id="infoschema-domain-constraints">
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<para>
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<para>
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The view <literal>domain_constraints</literal> contains all
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The view <literal>domain_constraints</literal> contains all
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constraints belonging to domains.
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constraints belonging to domains owned by the current user.
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</para>
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</para>
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<table>
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<table>
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<row>
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<row>
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<entry><literal>unique_constraint_catalog</literal></entry>
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<entry><literal>unique_constraint_catalog</literal></entry>
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<entry><literal>sql_identifier</literal></entry>
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<entry><literal>sql_identifier</literal></entry>
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<entry>Not yet implemented</entry>
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<entry>
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Name of the database that contains the unique or primary key
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constraint that the foreign key constraint references (always
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the current database)
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</entry>
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</row>
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</row>
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<row>
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<row>
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<entry><literal>unique_constraint_schema</literal></entry>
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<entry><literal>unique_constraint_schema</literal></entry>
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<entry><literal>sql_identifier</literal></entry>
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<entry><literal>sql_identifier</literal></entry>
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<entry>Not yet implemented</entry>
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<entry>
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Name of the schema that contains the unique or primary key
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constraint that the foreign key constraint references
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</entry>
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</row>
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</row>
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<row>
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<row>
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<entry><literal>unique_constraint_name</literal></entry>
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<entry><literal>unique_constraint_name</literal></entry>
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<entry><literal>sql_identifier</literal></entry>
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<entry><literal>sql_identifier</literal></entry>
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<entry>Not yet implemented</entry>
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<entry>
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Name of the unique or primary key constraint that the foreign
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key constraint references
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</entry>
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</row>
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</row>
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<row>
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<row>
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<entry><literal>match_option</literal></entry>
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<entry><literal>match_option</literal></entry>
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<entry><literal>character_data</literal></entry>
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<entry><literal>character_data</literal></entry>
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<entry>
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<entry>
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Match option of the referential constraint:
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Match option of the foreign key constraint:
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<literal>FULL</literal>, <literal>PARTIAL</literal>, or
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<literal>FULL</literal>, <literal>PARTIAL</literal>, or
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<literal>NONE</literal>.
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<literal>NONE</literal>.
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</entry>
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</entry>
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@ -912,7 +1045,7 @@
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<entry><literal>update_rule</literal></entry>
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<entry><literal>update_rule</literal></entry>
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<entry><literal>character_data</literal></entry>
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<entry><literal>character_data</literal></entry>
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<entry>
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<entry>
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Update rule of the referential constraint:
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Update rule of the foreign key constraint:
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<literal>CASCADE</literal>, <literal>SET NULL</literal>,
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<literal>CASCADE</literal>, <literal>SET NULL</literal>,
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<literal>SET DEFAULT</literal>, <literal>RESTRICT</literal>,or
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<literal>SET DEFAULT</literal>, <literal>RESTRICT</literal>,or
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<literal>NO ACTION</literal>.
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<literal>NO ACTION</literal>.
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@ -923,7 +1056,7 @@
|
|||||||
<entry><literal>delete_rule</literal></entry>
|
<entry><literal>delete_rule</literal></entry>
|
||||||
<entry><literal>character_data</literal></entry>
|
<entry><literal>character_data</literal></entry>
|
||||||
<entry>
|
<entry>
|
||||||
Delete rule of the referential constraint:
|
Delete rule of the foreign key constraint:
|
||||||
<literal>CASCADE</literal>, <literal>SET NULL</literal>,
|
<literal>CASCADE</literal>, <literal>SET NULL</literal>,
|
||||||
<literal>SET DEFAULT</literal>, <literal>RESTRICT</literal>,or
|
<literal>SET DEFAULT</literal>, <literal>RESTRICT</literal>,or
|
||||||
<literal>NO ACTION</literal>.
|
<literal>NO ACTION</literal>.
|
||||||
@ -939,7 +1072,7 @@
|
|||||||
|
|
||||||
<para>
|
<para>
|
||||||
The view <literal>schemata</literal> contains all schemas in the
|
The view <literal>schemata</literal> contains all schemas in the
|
||||||
current database.
|
current database that are owned by the current user.
|
||||||
</para>
|
</para>
|
||||||
|
|
||||||
<table>
|
<table>
|
||||||
@ -1420,7 +1553,7 @@
|
|||||||
|
|
||||||
<para>
|
<para>
|
||||||
The view <literal>table_constraints</literal> contains all
|
The view <literal>table_constraints</literal> contains all
|
||||||
constraints belonging to tables.
|
constraints belonging to tables owned by the current user.
|
||||||
</para>
|
</para>
|
||||||
|
|
||||||
<table>
|
<table>
|
||||||
@ -1583,7 +1716,9 @@
|
|||||||
|
|
||||||
<para>
|
<para>
|
||||||
The view <literal>tables</literal> contains all tables and views
|
The view <literal>tables</literal> contains all tables and views
|
||||||
defined in the current database.
|
defined in the current database. Only those tables and views are
|
||||||
|
shown that the current user has access to (by way of being the
|
||||||
|
owner or having some privilege).
|
||||||
</para>
|
</para>
|
||||||
|
|
||||||
<table>
|
<table>
|
||||||
@ -1667,7 +1802,8 @@
|
|||||||
|
|
||||||
<para>
|
<para>
|
||||||
The view <literal>views</literal> contains all views defined in the
|
The view <literal>views</literal> contains all views defined in the
|
||||||
current database.
|
current database. Only those views are shown that the current user
|
||||||
|
has access to (by way of being the owner or having some privilege).
|
||||||
</para>
|
</para>
|
||||||
|
|
||||||
<table>
|
<table>
|
||||||
|
|||||||
@ -4,7 +4,7 @@
|
|||||||
*
|
*
|
||||||
* Copyright 2002, PostgreSQL Global Development Group
|
* Copyright 2002, PostgreSQL Global Development Group
|
||||||
*
|
*
|
||||||
* $Id: information_schema.sql,v 1.5 2003/05/18 20:55:57 petere Exp $
|
* $Id: information_schema.sql,v 1.6 2003/05/25 09:36:09 petere Exp $
|
||||||
*/
|
*/
|
||||||
|
|
||||||
|
|
||||||
@ -76,12 +76,13 @@ CREATE VIEW check_constraints AS
|
|||||||
CAST(rs.nspname AS sql_identifier) AS constraint_schema,
|
CAST(rs.nspname AS sql_identifier) AS constraint_schema,
|
||||||
CAST(con.conname AS sql_identifier) AS constraint_name,
|
CAST(con.conname AS sql_identifier) AS constraint_name,
|
||||||
CAST(con.consrc AS character_data) AS check_clause
|
CAST(con.consrc AS character_data) AS check_clause
|
||||||
FROM pg_namespace rs, pg_constraint con
|
FROM pg_namespace rs,
|
||||||
left outer join pg_class c on (c.oid = con.conrelid)
|
pg_constraint con
|
||||||
left outer join pg_type t on (t.oid = con.contypid),
|
LEFT OUTER JOIN pg_class c on (c.oid = con.conrelid)
|
||||||
|
LEFT OUTER JOIN pg_type t on (t.oid = con.contypid),
|
||||||
pg_user u
|
pg_user u
|
||||||
WHERE rs.oid = con.connamespace
|
WHERE rs.oid = con.connamespace
|
||||||
AND u.usesysid IN (c.relowner, t.typowner)
|
AND u.usesysid = coalesce(c.relowner, t.typowner)
|
||||||
AND u.usename = current_user
|
AND u.usename = current_user
|
||||||
AND con.contype = 'c';
|
AND con.contype = 'c';
|
||||||
|
|
||||||
@ -150,30 +151,51 @@ CREATE VIEW columns AS
|
|||||||
CASE WHEN u.usename = current_user THEN a.adsrc ELSE null END
|
CASE WHEN u.usename = current_user THEN a.adsrc ELSE null END
|
||||||
AS character_data)
|
AS character_data)
|
||||||
AS column_default,
|
AS column_default,
|
||||||
CAST(CASE WHEN a.attnotnull THEN 'NO' ELSE 'YES' END
|
CAST(CASE WHEN a.attnotnull OR (t.typtype = 'd' AND t.typnotnull) THEN 'NO' ELSE 'YES' END
|
||||||
AS character_data)
|
AS character_data)
|
||||||
AS is_nullable,
|
AS is_nullable,
|
||||||
CAST(format_type(a.atttypid, null) AS character_data)
|
|
||||||
|
CAST(
|
||||||
|
CASE WHEN t.typtype = 'd' THEN
|
||||||
|
CASE WHEN nbt.nspname = 'pg_catalog'
|
||||||
|
THEN format_type(t.typbasetype, null)
|
||||||
|
ELSE 'USER-DEFINED' END
|
||||||
|
ELSE
|
||||||
|
CASE WHEN nt.nspname = 'pg_catalog'
|
||||||
|
THEN format_type(a.atttypid, null)
|
||||||
|
ELSE 'USER-DEFINED' END
|
||||||
|
END
|
||||||
|
AS character_data)
|
||||||
AS data_type,
|
AS data_type,
|
||||||
|
|
||||||
CAST(
|
CAST(
|
||||||
CASE WHEN a.atttypid IN (25, 1042, 1043, 1560, 1562) AND a.atttypmod <> -1
|
CASE WHEN t.typtype = 'd' THEN
|
||||||
THEN a.atttypmod - 4
|
CASE WHEN t.typbasetype IN (25, 1042, 1043, 1560, 1562) AND t.typtypmod <> -1
|
||||||
ELSE null END
|
THEN t.typtypmod - 4
|
||||||
|
ELSE null END
|
||||||
|
ELSE
|
||||||
|
CASE WHEN a.atttypid IN (25, 1042, 1043, 1560, 1562) AND a.atttypmod <> -1
|
||||||
|
THEN a.atttypmod - 4
|
||||||
|
ELSE null END
|
||||||
|
END
|
||||||
AS cardinal_number)
|
AS cardinal_number)
|
||||||
AS character_maximum_length,
|
AS character_maximum_length,
|
||||||
|
|
||||||
CAST(
|
CAST(
|
||||||
CASE WHEN a.atttypid IN (25, 1042, 1043) THEN 2^30 ELSE null END
|
CASE WHEN t.typtype = 'd' THEN
|
||||||
|
CASE WHEN t.typbasetype IN (25, 1042, 1043) THEN 2^30 ELSE null END
|
||||||
|
ELSE
|
||||||
|
CASE WHEN a.atttypid IN (25, 1042, 1043) THEN 2^30 ELSE null END
|
||||||
|
END
|
||||||
AS cardinal_number)
|
AS cardinal_number)
|
||||||
AS character_octet_length,
|
AS character_octet_length,
|
||||||
|
|
||||||
CAST(
|
CAST(
|
||||||
CASE a.atttypid
|
CASE (CASE WHEN t.typtype = 'd' THEN t.typbasetype ELSE a.atttypid END)
|
||||||
WHEN 21 /*int2*/ THEN 16
|
WHEN 21 /*int2*/ THEN 16
|
||||||
WHEN 23 /*int4*/ THEN 32
|
WHEN 23 /*int4*/ THEN 32
|
||||||
WHEN 20 /*int8*/ THEN 64
|
WHEN 20 /*int8*/ THEN 64
|
||||||
WHEN 1700 /*numeric*/ THEN ((a.atttypmod - 4) >> 16) & 65535
|
WHEN 1700 /*numeric*/ THEN ((CASE WHEN t.typtype = 'd' THEN t.typtypmod ELSE a.atttypmod END - 4) >> 16) & 65535
|
||||||
WHEN 700 /*float4*/ THEN 24 /*FLT_MANT_DIG*/
|
WHEN 700 /*float4*/ THEN 24 /*FLT_MANT_DIG*/
|
||||||
WHEN 701 /*float8*/ THEN 53 /*DBL_MANT_DIG*/
|
WHEN 701 /*float8*/ THEN 53 /*DBL_MANT_DIG*/
|
||||||
ELSE null END
|
ELSE null END
|
||||||
@ -181,25 +203,45 @@ CREATE VIEW columns AS
|
|||||||
AS numeric_precision,
|
AS numeric_precision,
|
||||||
|
|
||||||
CAST(
|
CAST(
|
||||||
CASE WHEN a.atttypid IN (21, 23, 20, 700, 701) THEN 2
|
CASE WHEN t.typtype = 'd' THEN
|
||||||
WHEN a.atttypid IN (1700) THEN 10
|
CASE WHEN t.typbasetype IN (21, 23, 20, 700, 701) THEN 2
|
||||||
ELSE null END
|
WHEN t.typbasetype IN (1700) THEN 10
|
||||||
|
ELSE null END
|
||||||
|
ELSE
|
||||||
|
CASE WHEN a.atttypid IN (21, 23, 20, 700, 701) THEN 2
|
||||||
|
WHEN a.atttypid IN (1700) THEN 10
|
||||||
|
ELSE null END
|
||||||
|
END
|
||||||
AS cardinal_number)
|
AS cardinal_number)
|
||||||
AS numeric_precision_radix,
|
AS numeric_precision_radix,
|
||||||
|
|
||||||
CAST(
|
CAST(
|
||||||
CASE WHEN a.atttypid IN (21, 23, 20) THEN 0
|
CASE WHEN t.typtype = 'd' THEN
|
||||||
WHEN a.atttypid IN (1700) THEN (a.atttypmod - 4) & 65535
|
CASE WHEN t.typbasetype IN (21, 23, 20) THEN 0
|
||||||
ELSE null END
|
WHEN t.typbasetype IN (1700) THEN (t.typtypmod - 4) & 65535
|
||||||
|
ELSE null END
|
||||||
|
ELSE
|
||||||
|
CASE WHEN a.atttypid IN (21, 23, 20) THEN 0
|
||||||
|
WHEN a.atttypid IN (1700) THEN (a.atttypmod - 4) & 65535
|
||||||
|
ELSE null END
|
||||||
|
END
|
||||||
AS cardinal_number)
|
AS cardinal_number)
|
||||||
AS numeric_scale,
|
AS numeric_scale,
|
||||||
|
|
||||||
CAST(
|
CAST(
|
||||||
CASE WHEN a.atttypid IN (1083, 1114, 1184, 1266)
|
CASE WHEN t.typtype = 'd' THEN
|
||||||
THEN (CASE WHEN a.atttypmod <> -1 THEN a.atttypmod ELSE null END)
|
CASE WHEN t.typbasetype IN (1083, 1114, 1184, 1266)
|
||||||
WHEN a.atttypid IN (1186)
|
THEN (CASE WHEN t.typtypmod <> -1 THEN t.typtypmod ELSE null END)
|
||||||
THEN (CASE WHEN a.atttypmod <> -1 THEN a.atttypmod & 65535 ELSE null END)
|
WHEN t.typbasetype IN (1186)
|
||||||
ELSE null END
|
THEN (CASE WHEN t.typtypmod <> -1 THEN t.typtypmod & 65535 ELSE null END)
|
||||||
|
ELSE null END
|
||||||
|
ELSE
|
||||||
|
CASE WHEN a.atttypid IN (1083, 1114, 1184, 1266)
|
||||||
|
THEN (CASE WHEN a.atttypmod <> -1 THEN a.atttypmod ELSE null END)
|
||||||
|
WHEN a.atttypid IN (1186)
|
||||||
|
THEN (CASE WHEN a.atttypmod <> -1 THEN a.atttypmod & 65535 ELSE null END)
|
||||||
|
ELSE null END
|
||||||
|
END
|
||||||
AS cardinal_number)
|
AS cardinal_number)
|
||||||
AS datetime_precision,
|
AS datetime_precision,
|
||||||
|
|
||||||
@ -221,36 +263,105 @@ CREATE VIEW columns AS
|
|||||||
CAST(CASE WHEN t.typtype = 'd' THEN t.typname ELSE null END
|
CAST(CASE WHEN t.typtype = 'd' THEN t.typname ELSE null END
|
||||||
AS sql_identifier) AS domain_name,
|
AS sql_identifier) AS domain_name,
|
||||||
|
|
||||||
CAST(CASE WHEN t.typtype <> 'd' THEN current_database() ELSE null END
|
CAST(current_database() AS sql_identifier) AS udt_catalog,
|
||||||
AS sql_identifier) AS udt_catalog,
|
CAST(coalesce(nbt.nspname, nt.nspname) AS sql_identifier) AS udt_schema,
|
||||||
CAST(CASE WHEN t.typtype <> 'd' THEN nt.nspname ELSE null END
|
CAST(coalesce(bt.typname, t.typname) AS sql_identifier) AS udt_name,
|
||||||
AS sql_identifier) AS udt_schema,
|
|
||||||
CAST(CASE WHEN t.typtype <> 'd' THEN t.typname ELSE null END
|
|
||||||
AS sql_identifier) AS udt_name,
|
|
||||||
|
|
||||||
CAST(null AS sql_identifier) AS scope_catalog,
|
CAST(null AS sql_identifier) AS scope_catalog,
|
||||||
CAST(null AS sql_identifier) AS scope_schema,
|
CAST(null AS sql_identifier) AS scope_schema,
|
||||||
CAST(null AS sql_identifier) AS scope_name,
|
CAST(null AS sql_identifier) AS scope_name,
|
||||||
|
|
||||||
CAST(null AS cardinal_number) AS maximum_cardinality,
|
CAST(null AS cardinal_number) AS maximum_cardinality,
|
||||||
CAST(null AS sql_identifier) AS dtd_identifier,
|
CAST(CAST(t.oid AS varchar) AS sql_identifier) AS dtd_identifier,
|
||||||
CAST('NO' AS character_data) AS is_self_referencing
|
CAST('NO' AS character_data) AS is_self_referencing
|
||||||
|
|
||||||
FROM (pg_attribute LEFT JOIN pg_attrdef ON attrelid = adrelid AND attnum = adnum) AS a,
|
FROM (pg_attribute LEFT JOIN pg_attrdef ON attrelid = adrelid AND attnum = adnum) AS a,
|
||||||
pg_class c, pg_namespace nc, pg_type t, pg_namespace nt, pg_user u
|
pg_class c, pg_namespace nc, pg_user u,
|
||||||
|
(pg_type t JOIN pg_namespace nt ON (t.typnamespace = nt.oid))
|
||||||
|
LEFT JOIN (pg_type bt JOIN pg_namespace nbt ON (bt.typnamespace = nbt.oid))
|
||||||
|
ON (t.typtype = 'd' AND t.typbasetype = bt.oid)
|
||||||
|
|
||||||
WHERE a.attrelid = c.oid
|
WHERE a.attrelid = c.oid
|
||||||
AND a.atttypid = t.oid
|
AND a.atttypid = t.oid
|
||||||
AND u.usesysid = c.relowner
|
AND u.usesysid = c.relowner
|
||||||
AND nc.oid = c.relnamespace
|
AND nc.oid = c.relnamespace
|
||||||
AND nt.oid = t.typnamespace
|
|
||||||
AND u.usename = current_user
|
|
||||||
|
|
||||||
AND a.attnum > 0 AND NOT a.attisdropped AND c.relkind in ('r', 'v');
|
AND a.attnum > 0 AND NOT a.attisdropped AND c.relkind in ('r', 'v')
|
||||||
|
|
||||||
|
AND (u.usename = current_user
|
||||||
|
OR has_table_privilege(c.oid, 'SELECT')
|
||||||
|
OR has_table_privilege(c.oid, 'INSERT')
|
||||||
|
OR has_table_privilege(c.oid, 'UPDATE')
|
||||||
|
OR has_table_privilege(c.oid, 'DELETE')
|
||||||
|
OR has_table_privilege(c.oid, 'RULE')
|
||||||
|
OR has_table_privilege(c.oid, 'RERERENCES')
|
||||||
|
OR has_table_privilege(c.oid, 'TRIGGER') );
|
||||||
|
|
||||||
GRANT SELECT ON columns TO PUBLIC;
|
GRANT SELECT ON columns TO PUBLIC;
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* 20.19
|
||||||
|
* CONSTRAINT_COLUMN_USAGE view
|
||||||
|
*/
|
||||||
|
|
||||||
|
-- FIXME: This only works for check constraints so far; for the others
|
||||||
|
-- we need a built-in way to convert arrays to virtual tables.
|
||||||
|
|
||||||
|
CREATE VIEW constraint_column_usage AS
|
||||||
|
SELECT CAST(current_database() AS sql_identifier) AS table_catalog,
|
||||||
|
CAST(tblschema AS sql_identifier) AS table_schema,
|
||||||
|
CAST(tblname AS sql_identifier) AS table_name,
|
||||||
|
CAST(colname AS sql_identifier) AS column_name,
|
||||||
|
CAST(current_database() AS sql_identifier) AS constraint_catalog,
|
||||||
|
CAST(cstrschema AS sql_identifier) AS constraint_schema,
|
||||||
|
CAST(cstrname AS sql_identifier) AS constraint_name
|
||||||
|
|
||||||
|
FROM (
|
||||||
|
SELECT DISTINCT nr.nspname, r.relname, r.relowner, a.attname, nc.nspname, c.conname
|
||||||
|
FROM pg_namespace nr, pg_class r, pg_attribute a, pg_depend d, pg_namespace nc, pg_constraint c
|
||||||
|
WHERE nr.oid = r.relnamespace
|
||||||
|
AND r.oid = a.attrelid
|
||||||
|
AND d.refclassid = (SELECT oid FROM pg_class WHERE relname = 'pg_class')
|
||||||
|
AND d.refobjid = r.oid
|
||||||
|
AND d.refobjsubid = a.attnum
|
||||||
|
AND d.classid = (SELECT oid FROM pg_class WHERE relname = 'pg_constraint')
|
||||||
|
AND d.objid = c.oid
|
||||||
|
AND c.connamespace = nc.oid
|
||||||
|
AND c.contype = 'c'
|
||||||
|
) AS x (tblschema, tblname, tblowner, colname, cstrschema, cstrname),
|
||||||
|
pg_user u
|
||||||
|
|
||||||
|
WHERE x.tblowner = u.usesysid AND u.usename = current_user;
|
||||||
|
|
||||||
|
GRANT SELECT ON constraint_column_usage TO PUBLIC;
|
||||||
|
|
||||||
|
|
||||||
|
/*
|
||||||
|
* 20.20
|
||||||
|
* CONSTRAINT_TABLE_USAGE view
|
||||||
|
*/
|
||||||
|
|
||||||
|
CREATE VIEW constraint_table_usage AS
|
||||||
|
SELECT CAST(current_database() AS sql_identifier) AS table_catalog,
|
||||||
|
CAST(nr.nspname AS sql_identifier) AS table_schema,
|
||||||
|
CAST(r.relname AS sql_identifier) AS table_name,
|
||||||
|
CAST(current_database() AS sql_identifier) AS constraint_catalog,
|
||||||
|
CAST(nc.nspname AS sql_identifier) AS constraint_schema,
|
||||||
|
CAST(c.conname AS sql_identifier) AS constraint_name
|
||||||
|
|
||||||
|
FROM pg_constraint c, pg_namespace nc,
|
||||||
|
pg_class r, pg_namespace nr,
|
||||||
|
pg_user u
|
||||||
|
|
||||||
|
WHERE c.connamespace = nc.oid AND r.relnamespace = nr.oid
|
||||||
|
AND ( (c.contype = 'f' AND c.confrelid = r.oid)
|
||||||
|
OR (c.contype IN ('p', 'u') AND c.conrelid = r.oid) )
|
||||||
|
AND r.relowner = u.usesysid AND u.usename = current_user;
|
||||||
|
|
||||||
|
GRANT SELECT ON constraint_table_usage TO PUBLIC;
|
||||||
|
|
||||||
|
|
||||||
/*
|
/*
|
||||||
* 20.24
|
* 20.24
|
||||||
* DOMAIN_CONSTRAINTS view
|
* DOMAIN_CONSTRAINTS view
|
||||||
@ -284,9 +395,14 @@ GRANT SELECT ON domain_constraints TO PUBLIC;
|
|||||||
|
|
||||||
CREATE VIEW domains AS
|
CREATE VIEW domains AS
|
||||||
SELECT CAST(current_database() AS sql_identifier) AS domain_catalog,
|
SELECT CAST(current_database() AS sql_identifier) AS domain_catalog,
|
||||||
CAST(rs.nspname AS sql_identifier) AS domain_schema,
|
CAST(nt.nspname AS sql_identifier) AS domain_schema,
|
||||||
CAST(t.typname AS sql_identifier) AS domain_name,
|
CAST(t.typname AS sql_identifier) AS domain_name,
|
||||||
CAST(format_type(t.typbasetype, null) AS character_data)
|
|
||||||
|
CAST(
|
||||||
|
CASE WHEN nbt.nspname = 'pg_catalog'
|
||||||
|
THEN format_type(t.typbasetype, null)
|
||||||
|
ELSE 'USER-DEFINED' END
|
||||||
|
AS character_data)
|
||||||
AS data_type,
|
AS data_type,
|
||||||
|
|
||||||
CAST(
|
CAST(
|
||||||
@ -300,6 +416,7 @@ CREATE VIEW domains AS
|
|||||||
CASE WHEN t.typbasetype IN (25, 1042, 1043) THEN 2^30 ELSE null END
|
CASE WHEN t.typbasetype IN (25, 1042, 1043) THEN 2^30 ELSE null END
|
||||||
AS cardinal_number)
|
AS cardinal_number)
|
||||||
AS character_octet_length,
|
AS character_octet_length,
|
||||||
|
|
||||||
CAST(null AS sql_identifier) AS character_set_catalog,
|
CAST(null AS sql_identifier) AS character_set_catalog,
|
||||||
CAST(null AS sql_identifier) AS character_set_schema,
|
CAST(null AS sql_identifier) AS character_set_schema,
|
||||||
CAST(null AS sql_identifier) AS character_set_name,
|
CAST(null AS sql_identifier) AS character_set_name,
|
||||||
@ -346,42 +463,26 @@ CREATE VIEW domains AS
|
|||||||
CAST(null AS character_data) AS interval_type, -- XXX
|
CAST(null AS character_data) AS interval_type, -- XXX
|
||||||
CAST(null AS character_data) AS interval_precision, -- XXX
|
CAST(null AS character_data) AS interval_precision, -- XXX
|
||||||
|
|
||||||
CAST(typdefault AS character_data) AS domain_default,
|
CAST(t.typdefault AS character_data) AS domain_default,
|
||||||
|
|
||||||
CAST(CASE WHEN t.typbasetype = 0 THEN current_database() ELSE null END
|
CAST(current_database() AS sql_identifier) AS udt_catalog,
|
||||||
AS sql_identifier) AS udt_catalog,
|
CAST(nbt.nspname AS sql_identifier) AS udt_schema,
|
||||||
CAST(CASE WHEN t.typbasetype = 0 THEN rs.nspname ELSE null END
|
CAST(bt.typname AS sql_identifier) AS udt_name,
|
||||||
AS sql_identifier) AS udt_schema,
|
|
||||||
CAST(CASE WHEN t.typbasetype = 0 THEN t.typname ELSE null END
|
|
||||||
AS sql_identifier) AS udt_name,
|
|
||||||
|
|
||||||
CAST(null AS sql_identifier) AS scope_catalog,
|
CAST(null AS sql_identifier) AS scope_catalog,
|
||||||
CAST(null AS sql_identifier) AS scope_schema,
|
CAST(null AS sql_identifier) AS scope_schema,
|
||||||
CAST(null AS sql_identifier) AS scope_name,
|
CAST(null AS sql_identifier) AS scope_name,
|
||||||
|
|
||||||
CAST(null AS cardinal_number) AS maximum_cardinality,
|
CAST(null AS cardinal_number) AS maximum_cardinality,
|
||||||
CAST(null AS sql_identifier) AS dtd_identifier
|
CAST(CAST(t.oid AS varchar) AS sql_identifier) AS dtd_identifier
|
||||||
|
|
||||||
FROM pg_namespace rs,
|
FROM pg_type t, pg_namespace nt,
|
||||||
pg_type t,
|
pg_type bt, pg_namespace nbt
|
||||||
pg_user u
|
|
||||||
|
|
||||||
WHERE rs.oid = t.typnamespace
|
|
||||||
AND t.typtype = 'd'
|
|
||||||
AND t.typowner = u.usesysid
|
|
||||||
AND (u.usename = current_user
|
|
||||||
OR EXISTS (SELECT 1
|
|
||||||
FROM pg_user AS u2
|
|
||||||
WHERE rs.nspowner = u2.usesysid
|
|
||||||
AND u2.usename = current_user)
|
|
||||||
OR EXISTS (SELECT 1
|
|
||||||
FROM pg_user AS u3,
|
|
||||||
pg_attribute AS a3,
|
|
||||||
pg_class AS c3
|
|
||||||
WHERE u3.usesysid = c3.relowner
|
|
||||||
AND a3.attrelid = c3.oid
|
|
||||||
AND a3.atttypid = t.oid));
|
|
||||||
|
|
||||||
|
WHERE t.typnamespace = nt.oid
|
||||||
|
AND t.typbasetype = bt.oid
|
||||||
|
AND bt.typnamespace = nbt.oid
|
||||||
|
AND t.typtype = 'd';
|
||||||
|
|
||||||
GRANT SELECT ON domains TO PUBLIC;
|
GRANT SELECT ON domains TO PUBLIC;
|
||||||
|
|
||||||
@ -396,8 +497,8 @@ CREATE VIEW referential_constraints AS
|
|||||||
CAST(ncon.nspname AS sql_identifier) AS constraint_schema,
|
CAST(ncon.nspname AS sql_identifier) AS constraint_schema,
|
||||||
CAST(con.conname AS sql_identifier) AS constraint_name,
|
CAST(con.conname AS sql_identifier) AS constraint_name,
|
||||||
CAST(current_database() AS sql_identifier) AS unique_constraint_catalog,
|
CAST(current_database() AS sql_identifier) AS unique_constraint_catalog,
|
||||||
CAST(null AS sql_identifier) AS unique_constraint_schema, -- XXX
|
CAST(npkc.nspname AS sql_identifier) AS unique_constraint_schema,
|
||||||
CAST(null AS sql_identifier) AS unique_constraint_name, -- XXX
|
CAST(pkc.conname AS sql_identifier) AS unique_constraint_name,
|
||||||
|
|
||||||
CAST(
|
CAST(
|
||||||
CASE con.confmatchtype WHEN 'f' THEN 'FULL'
|
CASE con.confmatchtype WHEN 'f' THEN 'FULL'
|
||||||
@ -423,11 +524,16 @@ CREATE VIEW referential_constraints AS
|
|||||||
|
|
||||||
FROM pg_namespace ncon,
|
FROM pg_namespace ncon,
|
||||||
pg_constraint con,
|
pg_constraint con,
|
||||||
pg_class r,
|
pg_class c,
|
||||||
|
pg_constraint pkc,
|
||||||
|
pg_namespace npkc,
|
||||||
pg_user u
|
pg_user u
|
||||||
|
|
||||||
WHERE ncon.oid = con.connamespace
|
WHERE ncon.oid = con.connamespace
|
||||||
AND con.conrelid = r.oid AND r.relowner = u.usesysid
|
AND con.conrelid = c.oid
|
||||||
|
AND con.confkey = pkc.conkey
|
||||||
|
AND pkc.connamespace = npkc.oid
|
||||||
|
AND c.relowner = u.usesysid
|
||||||
AND u.usename = current_user;
|
AND u.usename = current_user;
|
||||||
|
|
||||||
GRANT SELECT ON referential_constraints TO PUBLIC;
|
GRANT SELECT ON referential_constraints TO PUBLIC;
|
||||||
@ -714,13 +820,15 @@ CREATE VIEW tables AS
|
|||||||
FROM pg_namespace nc, pg_class c, pg_user u
|
FROM pg_namespace nc, pg_class c, pg_user u
|
||||||
|
|
||||||
WHERE c.relnamespace = nc.oid AND u.usesysid = c.relowner
|
WHERE c.relnamespace = nc.oid AND u.usesysid = c.relowner
|
||||||
|
AND c.relkind IN ('r', 'v')
|
||||||
AND (u.usename = current_user
|
AND (u.usename = current_user
|
||||||
OR EXISTS(SELECT 1 FROM information_schema.table_privileges tp
|
OR has_table_privilege(c.oid, 'SELECT')
|
||||||
WHERE tp.table_schema = nc.nspname
|
OR has_table_privilege(c.oid, 'INSERT')
|
||||||
AND tp.table_name = c.relname
|
OR has_table_privilege(c.oid, 'UPDATE')
|
||||||
AND tp.grantee = current_user))
|
OR has_table_privilege(c.oid, 'DELETE')
|
||||||
|
OR has_table_privilege(c.oid, 'RULE')
|
||||||
AND c.relkind IN ('r', 'v');
|
OR has_table_privilege(c.oid, 'RERERENCES')
|
||||||
|
OR has_table_privilege(c.oid, 'TRIGGER') );
|
||||||
|
|
||||||
GRANT SELECT ON tables TO PUBLIC;
|
GRANT SELECT ON tables TO PUBLIC;
|
||||||
|
|
||||||
@ -777,12 +885,14 @@ CREATE VIEW views AS
|
|||||||
FROM pg_namespace nc, pg_class c, pg_user u
|
FROM pg_namespace nc, pg_class c, pg_user u
|
||||||
|
|
||||||
WHERE c.relnamespace = nc.oid AND u.usesysid = c.relowner
|
WHERE c.relnamespace = nc.oid AND u.usesysid = c.relowner
|
||||||
|
AND c.relkind = 'v'
|
||||||
AND (u.usename = current_user
|
AND (u.usename = current_user
|
||||||
OR EXISTS(SELECT 1 FROM information_schema.table_privileges tp
|
OR has_table_privilege(c.oid, 'SELECT')
|
||||||
WHERE tp.table_schema = nc.nspname
|
OR has_table_privilege(c.oid, 'INSERT')
|
||||||
AND tp.table_name = c.relname
|
OR has_table_privilege(c.oid, 'UPDATE')
|
||||||
AND tp.grantee = current_user))
|
OR has_table_privilege(c.oid, 'DELETE')
|
||||||
|
OR has_table_privilege(c.oid, 'RULE')
|
||||||
AND c.relkind = 'v';
|
OR has_table_privilege(c.oid, 'RERERENCES')
|
||||||
|
OR has_table_privilege(c.oid, 'TRIGGER') );
|
||||||
|
|
||||||
GRANT SELECT ON views TO PUBLIC;
|
GRANT SELECT ON views TO PUBLIC;
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user