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581166da91
postgresql/src/backend/parser
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Vadim B. Mikheev 581166da91 Fix useor for (a,b...) Op ANY/ALL
1998-02-18 03:26:54 +00:00
..
analyze.c Pass attypmod through to executor by adding to Var and Resdom. 1998-02-10 04:02:59 +00:00
gram.y Fix useor for (a,b...) Op ANY/ALL 1998-02-18 03:26:54 +00:00
keywords.c Define ROW and STATEMENT as parser tokens. 1998-02-11 04:09:54 +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 gram.y: ALL_SUBLINK type was returned for x Op (subquery). 1998-02-13 08:10:33 +00:00
parse_func.c Pass around typmod as int16. 1998-02-10 16:04:38 +00:00
parse_node.c Atttypmod cleanup. 1998-02-13 19:46:22 +00:00
parse_oper.c Parser cleanup. 1998-01-20 05:05:08 +00:00
parse_relation.c Pass attypmod through to executor by adding to Var and Resdom. 1998-02-10 04:02:59 +00:00
parse_target.c Atttypmod cleanup. 1998-02-13 19:46:22 +00:00
parse_type.c Atttypmod cleanup. 1998-02-13 19:46:22 +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 From: Tom I Helbekkmo <tih@Hamartun.Priv.NO> 1998-02-13 05:10:06 +00:00
scan.l Automatically promote out of range integers to floats. 1998-02-11 03:56:08 +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