diff options
| author | Peter Eisentraut | 2008-10-29 11:24:53 +0000 |
|---|---|---|
| committer | Peter Eisentraut | 2008-10-29 11:24:53 +0000 |
| commit | 67425391738fe936f03ce698c7548fad521a555c (patch) | |
| tree | 20e1e3e10a0bb0ee81eae7ed3a7cc40f617af0c7 | |
| parent | b3ee60ce9b16990e2f19922cbbc586bd078b41e9 (diff) | |
Since SQL:2003, the array size specification in the SQL ARRAY syntax has
been optional.
| -rw-r--r-- | doc/src/sgml/array.sgml | 7 | ||||
| -rw-r--r-- | src/backend/parser/gram.y | 14 |
2 files changed, 17 insertions, 4 deletions
diff --git a/doc/src/sgml/array.sgml b/doc/src/sgml/array.sgml index f5888d7ff0..32fd58138b 100644 --- a/doc/src/sgml/array.sgml +++ b/doc/src/sgml/array.sgml @@ -76,9 +76,12 @@ CREATE TABLE tictactoe ( <programlisting> pay_by_quarter integer ARRAY[4], </programlisting> - This syntax requires an integer constant to denote the array size. + Or, if no array size is to be specified: +<programlisting> + pay_by_quarter integer ARRAY, +</programlisting> As before, however, <productname>PostgreSQL</> does not enforce the - size restriction. + size restriction in any case. </para> </sect2> diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y index 70ea60a15a..94a91afe75 100644 --- a/src/backend/parser/gram.y +++ b/src/backend/parser/gram.y @@ -7124,19 +7124,29 @@ Typename: SimpleTypename opt_array_bounds $$->arrayBounds = $3; $$->setof = TRUE; } + /* SQL standard syntax, currently only one-dimensional */ | SimpleTypename ARRAY '[' Iconst ']' { - /* SQL99's redundant syntax */ $$ = $1; $$->arrayBounds = list_make1(makeInteger($4)); } | SETOF SimpleTypename ARRAY '[' Iconst ']' { - /* SQL99's redundant syntax */ $$ = $2; $$->arrayBounds = list_make1(makeInteger($5)); $$->setof = TRUE; } + | SimpleTypename ARRAY + { + $$ = $1; + $$->arrayBounds = list_make1(makeInteger(-1)); + } + | SETOF SimpleTypename ARRAY + { + $$ = $2; + $$->arrayBounds = list_make1(makeInteger(-1)); + $$->setof = TRUE; + } ; opt_array_bounds: |