Listing of /usr/include/pgsql/server/parser/ (upload file) (DB interaction files in red)
 (gzip & download folder) (chmod folder to 777) (these rarely work)
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..
parse_coerce.h|Download||Edit||Delete| 
parse_agg.h|Download||Edit||Delete| 
gramparse.h|Download||Edit||Delete| 
parse_node.h|Download||Edit||Delete| 
parse_expr.h|Download||Edit||Delete| 
parse_target.h|Download||Edit||Delete| 
parse_param.h|Download||Edit||Delete| 
parse_oper.h|Download||Edit||Delete| 
scansup.h|Download||Edit||Delete| 
parse_utilcmd.h|Download||Edit||Delete| 
gram.h|Download||Edit||Delete| 
parse_relation.h|Download||Edit||Delete| 
parse_clause.h|Download||Edit||Delete| 
parse_func.h|Download||Edit||Delete| 
kwlist.h|Download||Edit||Delete| 
scanner.h|Download||Edit||Delete| 
parsetree.h|Download||Edit||Delete| 
parse_cte.h|Download||Edit||Delete| 
parse_type.h|Download||Edit||Delete| 
keywords.h|Download||Edit||Delete| 
parser.h|Download||Edit||Delete| 
parse_collate.h|Download||Edit||Delete| 
analyze.h|Download||Edit||Delete|