diff options
Diffstat (limited to 'src/backend/parser')
| -rw-r--r-- | src/backend/parser/gram.y | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y index 746365027c2..6b88096e8e1 100644 --- a/src/backend/parser/gram.y +++ b/src/backend/parser/gram.y @@ -2417,6 +2417,16 @@ alter_table_cmd: n->name = $3; $$ = (Node *) n; } + /* ALTER TABLE <name> ALTER [COLUMN] <colname> SET EXPRESSION AS <expr> */ + | ALTER opt_column ColId SET EXPRESSION AS '(' a_expr ')' + { + AlterTableCmd *n = makeNode(AlterTableCmd); + + n->subtype = AT_SetExpression; + n->name = $3; + n->def = $8; + $$ = (Node *) n; + } /* ALTER TABLE <name> ALTER [COLUMN] <colname> DROP EXPRESSION */ | ALTER opt_column ColId DROP EXPRESSION { |