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Clarify pg_dump documentation

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Clarify in the help output and documentation that -n, -t etc. take a
"pattern" rather than a "schema" or "table" etc.  This was especially
confusing now that the new pg_dumpall --exclude-database option was
documented with "pattern" and the others not, even though they all
behave the same.

Discussion: https://www.postgresql.org/message-id/flat/b85f3fa1-b350-38d1-1893-4f7911bd7310%402ndquadrant.com
This commit is contained in:
Peter Eisentraut 2019-09-03 14:25:26 +02:00
parent bde8c2d319
commit 10f5544896
2 changed files with 26 additions and 26 deletions
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42
doc/src/sgml/ref/pg_dump.sgml
View File

@ -375,17 +375,17 @@ PostgreSQL documentation
</varlistentry>
<varlistentry>
<term><option>-n <replaceable class="parameter">schema</replaceable></option></term>
<term><option>--schema=<replaceable class="parameter">schema</replaceable></option></term>
<term><option>-n <replaceable class="parameter">pattern</replaceable></option></term>
<term><option>--schema=<replaceable class="parameter">pattern</replaceable></option></term>
<listitem>
<para>
Dump only schemas matching <replaceable
class="parameter">schema</replaceable>; this selects both the
class="parameter">pattern</replaceable>; this selects both the
schema itself, and all its contained objects. When this option is
not specified, all non-system schemas in the target database will be
dumped. Multiple schemas can be
selected by writing multiple <option>-n</option> switches. Also, the
<replaceable class="parameter">schema</replaceable> parameter is
selected by writing multiple <option>-n</option> switches. The
<replaceable class="parameter">pattern</replaceable> parameter is
interpreted as a pattern according to the same rules used by
<application>psql</application>'s <literal>\d</literal> commands (see <xref
linkend="app-psql-patterns" endterm="app-psql-patterns-title"/>),
@ -417,12 +417,12 @@ PostgreSQL documentation
</varlistentry>
<varlistentry>
<term><option>-N <replaceable class="parameter">schema</replaceable></option></term>
<term><option>--exclude-schema=<replaceable class="parameter">schema</replaceable></option></term>
<term><option>-N <replaceable class="parameter">pattern</replaceable></option></term>
<term><option>--exclude-schema=<replaceable class="parameter">pattern</replaceable></option></term>
<listitem>
<para>
Do not dump any schemas matching the <replaceable
class="parameter">schema</replaceable> pattern. The pattern is
Do not dump any schemas matching <replaceable
class="parameter">pattern</replaceable>. The pattern is
interpreted according to the same rules as for <option>-n</option>.
<option>-N</option> can be given more than once to exclude schemas
matching any of several patterns.
@ -513,16 +513,16 @@ PostgreSQL documentation
</varlistentry>
<varlistentry>
<term><option>-t <replaceable class="parameter">table</replaceable></option></term>
<term><option>--table=<replaceable class="parameter">table</replaceable></option></term>
<term><option>-t <replaceable class="parameter">pattern</replaceable></option></term>
<term><option>--table=<replaceable class="parameter">pattern</replaceable></option></term>
<listitem>
<para>
Dump only tables with names matching
<replaceable class="parameter">table</replaceable>.
<replaceable class="parameter">pattern</replaceable>.
For this purpose, <quote>table</quote> includes views, materialized views,
sequences, and foreign tables. Multiple tables
can be selected by writing multiple <option>-t</option> switches. Also, the
<replaceable class="parameter">table</replaceable> parameter is
can be selected by writing multiple <option>-t</option> switches. The
<replaceable class="parameter">pattern</replaceable> parameter is
interpreted as a pattern according to the same rules used by
<application>psql</application>'s <literal>\d</literal> commands (see <xref
linkend="app-psql-patterns" endterm="app-psql-patterns-title"/>),
@ -565,12 +565,12 @@ PostgreSQL documentation
</varlistentry>
<varlistentry>
<term><option>-T <replaceable class="parameter">table</replaceable></option></term>
<term><option>--exclude-table=<replaceable class="parameter">table</replaceable></option></term>
<term><option>-T <replaceable class="parameter">pattern</replaceable></option></term>
<term><option>--exclude-table=<replaceable class="parameter">pattern</replaceable></option></term>
<listitem>
<para>
Do not dump any tables matching the <replaceable
class="parameter">table</replaceable> pattern. The pattern is
Do not dump any tables matching <replaceable
class="parameter">pattern</replaceable>. The pattern is
interpreted according to the same rules as for <option>-t</option>.
<option>-T</option> can be given more than once to exclude tables
matching any of several patterns.
@ -728,11 +728,11 @@ PostgreSQL documentation
</varlistentry>
<varlistentry>
<term><option>--exclude-table-data=<replaceable class="parameter">table</replaceable></option></term>
<term><option>--exclude-table-data=<replaceable class="parameter">pattern</replaceable></option></term>
<listitem>
<para>
Do not dump data for any tables matching the <replaceable
class="parameter">table</replaceable> pattern. The pattern is
Do not dump data for any tables matching <replaceable
class="parameter">pattern</replaceable>. The pattern is
interpreted according to the same rules as for <option>-t</option>.
<option>--exclude-table-data</option> can be given more than once to
exclude tables matching any of several patterns. This option is

10
src/bin/pg_dump/pg_dump.c
View File

@ -1000,14 +1000,14 @@ help(const char *progname)
printf(_(" -c, --clean clean (drop) database objects before recreating\n"));
printf(_(" -C, --create include commands to create database in dump\n"));
printf(_(" -E, --encoding=ENCODING dump the data in encoding ENCODING\n"));
printf(_(" -n, --schema=SCHEMA dump the named schema(s) only\n"));
printf(_(" -N, --exclude-schema=SCHEMA do NOT dump the named schema(s)\n"));
printf(_(" -n, --schema=PATTERN dump the specified schema(s) only\n"));
printf(_(" -N, --exclude-schema=PATTERN do NOT dump the specified schema(s)\n"));
printf(_(" -O, --no-owner skip restoration of object ownership in\n"
" plain-text format\n"));
printf(_(" -s, --schema-only dump only the schema, no data\n"));
printf(_(" -S, --superuser=NAME superuser user name to use in plain-text format\n"));
printf(_(" -t, --table=TABLE dump the named table(s) only\n"));
printf(_(" -T, --exclude-table=TABLE do NOT dump the named table(s)\n"));
printf(_(" -t, --table=PATTERN dump the specified table(s) only\n"));
printf(_(" -T, --exclude-table=PATTERN do NOT dump the specified table(s)\n"));
printf(_(" -x, --no-privileges do not dump privileges (grant/revoke)\n"));
printf(_(" --binary-upgrade for use by upgrade utilities only\n"));
printf(_(" --column-inserts dump data as INSERT commands with column names\n"));
@ -1015,7 +1015,7 @@ help(const char *progname)
printf(_(" --disable-triggers disable triggers during data-only restore\n"));
printf(_(" --enable-row-security enable row security (dump only content user has\n"
" access to)\n"));
printf(_(" --exclude-table-data=TABLE do NOT dump data for the named table(s)\n"));
printf(_(" --exclude-table-data=PATTERN do NOT dump data for the specified table(s)\n"));
printf(_(" --extra-float-digits=NUM override default setting for extra_float_digits\n"));
printf(_(" --if-exists use IF EXISTS when dropping objects\n"));
printf(_(" --inserts dump data as INSERT commands, rather than COPY\n"));