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Change the parser to convert SQL "position" and "substring" syntax to

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position() and substring() functions, so that it works transparently for
bit types as well.  Alias the text functions appropriately.

Add position() for bit types.

Add new constant node T_BitString that represents literals of the form
B'1001 and pass those to zpbit type.
This commit is contained in:
Peter Eisentraut
2000-10-31 10:22:13 +00:00
parent d397c1c8a2
commit 73874a06f0
14 changed files with 214 additions and 47 deletions
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4
src/backend/nodes/copyfuncs.c
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@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.127 2000/10/26 21:35:47 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.128 2000/10/31 10:22:10 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -2511,6 +2511,7 @@ _copyValue(Value *from)
break;
case T_Float:
case T_String:
case T_BitString:
newnode->val.str = pstrdup(from->val.str);
break;
default:
@ -2703,6 +2704,7 @@ copyObject(void *from)
case T_Integer:
case T_Float:
case T_String:
case T_BitString:
retval = _copyValue(from);
break;
case T_List: