diff options
Diffstat (limited to 'src/backend/parser')
| -rw-r--r-- | src/backend/parser/gram.y | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y index c81e8a38ec9..981d2614042 100644 --- a/src/backend/parser/gram.y +++ b/src/backend/parser/gram.y @@ -11,7 +11,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.704 2010/01/22 16:40:18 rhaas Exp $ + * $PostgreSQL: pgsql/src/backend/parser/gram.y,v 2.705 2010/01/25 20:55:32 tgl Exp $ * * HISTORY * AUTHOR DATE MAJOR EVENT @@ -9586,9 +9586,9 @@ func_expr: func_name '(' ')' over_clause | OVERLAY '(' overlay_list ')' { /* overlay(A PLACING B FROM C FOR D) is converted to - * substring(A, 1, C-1) || B || substring(A, C+1, C+D) + * overlay(A, B, C, D) * overlay(A PLACING B FROM C) is converted to - * substring(A, 1, C-1) || B || substring(A, C+1, C+char_length(B)) + * overlay(A, B, C) */ FuncCall *n = makeNode(FuncCall); n->funcname = SystemFuncName("overlay"); @@ -10150,6 +10150,7 @@ extract_arg: * SQL99 defines the OVERLAY() function: * o overlay(text placing text from int for int) * o overlay(text placing text from int) + * and similarly for binary strings */ overlay_list: a_expr overlay_placing substr_from substr_for |