diff --git a/doc/src/sgml/ref/create_aggregate.sgml b/doc/src/sgml/ref/create_aggregate.sgml index 07b45c112a..2571a027b3 100644 --- a/doc/src/sgml/ref/create_aggregate.sgml +++ b/doc/src/sgml/ref/create_aggregate.sgml @@ -1,5 +1,5 @@ @@ -98,7 +98,7 @@ CREATE AGGREGATE name ( BASETYPE = result after all input data has been traversed. The function must take a single argument of type state_type. - The output datatype of the aggregate is defined as the return + The output data type of the aggregate is defined as the return type of this function. If ffunc is not specified, then the ending state value is used as the @@ -113,7 +113,7 @@ CREATE AGGREGATE name ( BASETYPE = The initial setting for the state value. This must be a literal - constant in the form accepted for the datatype + constant in the form accepted for the data type state_type. If not specified, the state value starts out NULL. @@ -201,7 +201,7 @@ CREATE that is, an initial value for the internal state value. This is specified and stored in the database as a field of type text, but it must be a valid external representation - of a constant of the state value datatype. If it is not supplied + of a constant of the state value data type. If it is not supplied then the state value starts out NULL. diff --git a/doc/src/sgml/ref/create_index.sgml b/doc/src/sgml/ref/create_index.sgml index 1f63d4ce05..44956f78bd 100644 --- a/doc/src/sgml/ref/create_index.sgml +++ b/doc/src/sgml/ref/create_index.sgml @@ -1,5 +1,5 @@ @@ -290,11 +290,11 @@ ERROR: Cannot create index: 'index_name' already exists. four-byte integers would use the int4_ops class; this operator class includes comparison functions for four-byte integers. In practice the default operator class for the field's - datatype is usually sufficient. The main point of having operator classes - is that for some datatypes, there could be more than one meaningful - ordering. For example, we might want to sort a complex-number datatype + data type is usually sufficient. The main point of having operator classes + is that for some data types, there could be more than one meaningful + ordering. For example, we might want to sort a complex-number data type either by absolute value or by real part. We could do this by defining - two operator classes for the datatype and then selecting the proper + two operator classes for the data type and then selecting the proper class when making an index. There are also some operator classes with special purposes: @@ -303,7 +303,7 @@ ERROR: Cannot create index: 'index_name' already exists. The operator classes box_ops and bigbox_ops both support rtree indices on the - box datatype. + box data type. The difference between them is that bigbox_ops scales box coordinates down, to avoid floating point exceptions from doing multiplication, addition, and subtraction on very large diff --git a/doc/src/sgml/ref/create_operator.sgml b/doc/src/sgml/ref/create_operator.sgml index cf6baf7fa5..d459c70da4 100644 --- a/doc/src/sgml/ref/create_operator.sgml +++ b/doc/src/sgml/ref/create_operator.sgml @@ -1,5 +1,5 @@ @@ -303,8 +303,8 @@ MYBOXES.description !== box '((0,0),(1,1))' the lines of [SHAP86]; however, it must know whether this strategy is applicable. The current hash-join algorithm is only correct for operators that represent equality tests; - furthermore, equality of the datatype must mean bitwise equality - of the representation of the type. (For example, a datatype that + furthermore, equality of the data type must mean bitwise equality + of the representation of the type. (For example, a data type that contains unused bits that don't matter for equality tests could not be hashjoined.) The HASHES flag indicates to the query optimizer that a hash join diff --git a/doc/src/sgml/ref/create_type.sgml b/doc/src/sgml/ref/create_type.sgml index 19ddabea50..c921c78d56 100644 --- a/doc/src/sgml/ref/create_type.sgml +++ b/doc/src/sgml/ref/create_type.sgml @@ -1,5 +1,5 @@ @@ -122,7 +122,7 @@ CREATE TYPE typename ( INPUT = default - The default value for the datatype. Usually this is omitted, + The default value for the data type. Usually this is omitted, so that the default is NULL. @@ -152,7 +152,7 @@ CREATE TYPE typename ( INPUT = alignment - Storage alignment requirement of the datatype. If specified, must + Storage alignment requirement of the data type. If specified, must be 'int4' or 'double'; the default is 'int4'. @@ -163,7 +163,7 @@ CREATE TYPE typename ( INPUT = storage - Storage technique for the datatype. If specified, must + Storage technique for the data type. If specified, must be 'plain', 'external', 'extended', or 'main'; the default is 'plain'. @@ -298,9 +298,9 @@ CREATE The storage keyword - allows selection of TOAST storage method for variable-length datatypes + allows selection of TOAST storage method for variable-length data types (only plain is allowed for fixed-length types). - plain disables TOAST for the datatype: it will always + plain disables TOAST for the data type: it will always be stored in-line and not compressed. extended is full TOAST capability: the system will first try to compress a long data value, and will move the value out of