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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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3
src/include/nodes/nodes.h
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: nodes.h,v 1.80 2000/10/26 21:38:12 tgl Exp $
* $Id: nodes.h,v 1.81 2000/10/31 10:22:12 petere Exp $
*
*-------------------------------------------------------------------------
*/
@ -140,6 +140,7 @@ typedef enum NodeTag
T_Integer,
T_Float,
T_String,
T_BitString,
T_Null,
/*---------------------