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postgres/src/backend/parser
History
Bruce Momjian 7ce9b7c0d8
This patch adds a new GUC var, "default_with_oids", which follows the 		22 years ago
..
.cvsignore
…
Makefile $Header: -> $PostgreSQL Changes ... 22 years ago
README
…
analyze.c $Header: -> $PostgreSQL Changes ... 22 years ago
gram.y This patch adds a new GUC var, "default_with_oids", which follows the 22 years ago
keywords.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_agg.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_clause.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_coerce.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_expr.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_func.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_node.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_oper.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_relation.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_target.c $Header: -> $PostgreSQL Changes ... 22 years ago
parse_type.c $Header: -> $PostgreSQL Changes ... 22 years ago
parser.c $Header: -> $PostgreSQL Changes ... 22 years ago
scan.l $Header: -> $PostgreSQL Changes ... 22 years ago
scansup.c $Header: -> $PostgreSQL Changes ... 22 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