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postgres/src/backend/parser
History
Tom Lane 36c356e799
Missed one place that can be simplified after recent Param/Const cleanup. 		23 years ago
..
.cvsignore Add .cvsignore file so cvs doesn't complain if you have lex/yacc 27 years ago
Makefile Arrange to compile flex output files as inclusions into other files 23 years ago
README cleanup 27 years ago
analyze.c Add DOMAIN check constraints. 23 years ago
gram.y Remove unused constisset and constiscast fields of Const nodes. Clean 23 years ago
keywords.c Add DOMAIN check constraints. 23 years ago
parse_agg.c Update copyright to 2002. 24 years ago
parse_clause.c Tighten selection of equality and ordering operators for grouping 23 years ago
parse_coerce.c Missed one place that can be simplified after recent Param/Const cleanup. 23 years ago
parse_expr.c Use Params, rather than run-time-modified Const nodes, to handle 23 years ago
parse_func.c Add new palloc0 call as merge of palloc and MemSet(0). 23 years ago
parse_node.c Remove unused constisset and constiscast fields of Const nodes. Clean 23 years ago
parse_oper.c Tighten selection of equality and ordering operators for grouping 23 years ago
parse_relation.c pgindent run. 23 years ago
parse_target.c Add DOMAIN check constraints. 23 years ago
parse_type.c pgindent run. 23 years ago
parser.c pgindent run. 23 years ago
scan.l Add cast to suppress compile warning on Alphas. 23 years ago
scansup.c Be careful to include postgres.h *before* any system headers, to ensure 23 years ago

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_coerce.c	used for coercing expressions of different types
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