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151a1238d2
postgresql/src/backend/parser
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Marc G. Fournier 151a1238d2 This is the second of two patches required to fix the the grant and 
revoke statements.

From: James Hughes <jamesh@interpath.com>
1998-01-25 04:08:54 +00:00
..
analyze.c Add Var.varlevelup to code. More parser cleanup. 1998-01-20 22:12:17 +00:00
gram.y This is the second of two patches required to fix the the grant and 1998-01-25 04:08:54 +00:00
keywords.c Add LOCK command as DELETE FROM ... WHERE false. 1998-01-22 23:05:18 +00:00
Makefile Major cleanout of PORTNAME variables from Makefiles...bound to screw up 1997-12-20 00:29:35 +00:00
parse_agg.c Parser cleanup. 1998-01-20 05:05:08 +00:00
parse_clause.c FIx for regression-test found bug. 1998-01-20 22:55:25 +00:00
parse_expr.c Add Var.varlevelup to code. More parser cleanup. 1998-01-20 22:12:17 +00:00
parse_func.c Add Var.varlevelup to code. More parser cleanup. 1998-01-20 22:12:17 +00:00
parse_node.c Add Var.varlevelup to code. More parser cleanup. 1998-01-20 22:12:17 +00:00
parse_oper.c Parser cleanup. 1998-01-20 05:05:08 +00:00
parse_relation.c Add Var.varlevelup to code. More parser cleanup. 1998-01-20 22:12:17 +00:00
parse_target.c Parser cleanup. 1998-01-20 05:05:08 +00:00
parse_type.c New pg_attribute.atttypmod for type-specific information like 1998-01-16 23:21:07 +00:00
parser.c Create SubLink nodes in parser for Vadim. 1998-01-19 05:06:41 +00:00
README Add Var.varlevelup to code. More parser cleanup. 1998-01-20 22:12:17 +00:00
scan.c More up to date scan.c 1998-01-24 19:40:56 +00:00
scan.l Change some ABORTS to ERROR. Add line number when COPY Failure. 1998-01-05 16:40:20 +00:00
scansup.c Cleanup up include files. 1997-11-26 01:14:33 +00:00

README 

This directory does more than tokenize and parse SQL queries.  It also
creates Query structures for the various complex queries that is passed
to the optimizer and then executor.

parser.c	things start here
scan.l		break query into tokens
scansup.c	handle escapes in input
keywords.c	turn keywords into specific tokens
gram.y		parse the tokens and fill query-type-specific structures
analyze.c	handle post-parse processing for each query type
parse_clause.c	handle clauses like WHERE, ORDER BY, GROUP BY, ...
parse_expr.c	handle expressions like col, col + 3, x = 3 or x = 4
parse_oper.c	handle operations in expressions
parse_agg.c	handle aggregates, like SUM(col1),  AVG(col2), ...
parse_func.c	handle functions, table.column and column identifiers

parse_node.c	create nodes for various structures
parse_target.c	handle the result list of the query
parse_relation.c support routines for tables and column handling
parse_type.c	support routines for type handling