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体验新版 GitCode,发现更多精彩内容 >>
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d810338d
编写于
9月 29, 1999
作者:
T
Thomas G. Lockhart
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Add a few items to the reserved keyword lists.
Clarify information on implicitly-typed constants.
上级
be189135
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22 addition
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18 deletion
+22
-18
doc/src/sgml/syntax.sgml
doc/src/sgml/syntax.sgml
+22
-18
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doc/src/sgml/syntax.sgml
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d810338d
...
...
@@ -181,12 +181,13 @@ ALLOCATE ARE ASSERTION AT AUTHORIZATION AVG
BIT BIT_LENGTH
CASCADED CATALOG COLLATION CONNECT CONNECTION
CONSTRAINTS CONTINUE CONVERT CORRESPONDING COUNT
DATE DEALLOCATE DEC DESCRIBE DESCRIPTOR DIAGNOSTICS DISCONNECT DOMAIN
DATE DEALLOCATE DEC DEFERRABLE DEFERRED DESCRIBE DESCRIPTOR
DIAGNOSTICS DISCONNECT DOMAIN
END-EXEC ESCAPE EXCEPT EXCEPTION EXEC EXTERNAL
FIRST FOUND
GET GO GOTO
IDENTITY IMMEDIATE INDICATOR INITIALLY INPUT INTERSECT
ISOLATION
LAST L
EVEL L
OWER
IDENTITY IMMEDIATE INDICATOR INITIALLY INPUT INTERSECT
LAST LOWER
MAX MIN MODULE
OCTET_LENGTH OPEN OUTPUT OVERLAPS
PREPARE PRESERVE
...
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@@ -250,9 +251,9 @@ VALID VERSION
ABSOLUTE ACTION
DAY
HOUR
INSENSITIVE
INSENSITIVE
ISOLATION
KEY
LANGUAGE
LANGUAGE
LEVEL
MATCH MINUTE MONTH
NEXT
OF ONLY OPTION
...
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@@ -283,22 +284,21 @@ COMMITTED SERIALIZABLE TYPE
<programlisting>
ADA
C CATALOG_NAME CHARACTER_SET_CATALOG CHARACTER_SET_NAME
CHARACTER_SET_SCHEMA CLASS_ORIGIN COBOL COLLATION_CATALOG
COLLATION_NAME COLLATION_SCHEMA COLUMN_NAME
COMMAND_FUNCTION CONDITION_NUMBER
CONNECTION_NAME CONSTRAINT_CATALOG CONSTRAINT_NAME
CONSTRAINT_SCHEMA CURSOR_NAME
CHARACTER_SET_SCHEMA CLASS_ORIGIN COBOL COLLATION_CATALOG
COLLATION_NAME COLLATION_SCHEMA COLUMN_NAME
COMMAND_FUNCTION CONDITION_NUMBER
CONNECTION_NAME CONSTRAINT_CATALOG CONSTRAINT_NAME
CONSTRAINT_SCHEMA CURSOR_NAME
DATA DATE_TIME_INTERVAL_CODE DATE_TIME_INTERVAL_PRECISION
DYNAMIC_FUNCTION
DYNAMIC_FUNCTION
FORTRAN
LENGTH
MESSAGE_LENGTH MESSAGE_OCTET_LENGTH MORE MUMPS
NAME NULLABLE NUMBER
PAD PASCAL PLI
REPEATABLE RETURNED_LENGTH RETURNED_OCTET_LENGTH
RETURNED_SQLSTATE ROW_COUNT
SCALE SCHEMA_NAME SERVER_NAME SPACE
SUBCLASS_ORIGIN
RETURNED_SQLSTATE ROW_COUNT
SCALE SCHEMA_NAME SERVER_NAME SPACE SUBCLASS_ORIGIN
TABLE_NAME
UNCOMMITTED UNNAMED
</programlisting>
...
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@@ -354,9 +354,13 @@ We also support C-style block comments, e.g.:
<title>Constants</title>
<para>
There are six types of
<firstterm>constants</firstterm>
for use in SQL. They are described below.
There are three <firstterm>implicitly typed constants</firstterm>
for use in <productname>Postgres</productname>: strings, integers,
and floating point numbers. Constants can
also be specified with explicit types, which can enable more
accurate representation and more efficient handling by the
backend. The implicit constants are described below; explicit
constants are discussed afterwards.
</para>
<sect2>
...
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@@ -445,7 +449,7 @@ float4 '1.23' -- string style
<para>
A constant of an
<emphasis>arbitrary</emphasis>
type can be entered using
the
notations:
type can be entered using
any one of the following
notations:
<synopsis>
<replaceable>type</replaceable> '<replaceable>string</replaceable>'
...
...
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