Class | Sequel::Postgres::HStore::Parser |
In: |
lib/sequel/extensions/pg_hstore.rb
|
Parent: | StringScanner |
QUOTE_RE | = | /"/.freeze |
KV_SEP_RE | = | /"\s*=>\s*/.freeze |
NULL_RE | = | /NULL/.freeze |
SEP_RE | = | /,\s*/.freeze |
QUOTED_RE | = | /(\\"|[^"])*/.freeze |
REPLACE_RE | = | /\\(.)/.freeze |
REPLACE_WITH | = | '\1'.freeze |
Parse the output format that PostgreSQL uses for hstore columns. Note that this does not attempt to parse all input formats that PostgreSQL will accept. For instance, it expects all keys and non-NULL values to be quoted.
Return the resulting hash of objects. This can be called multiple times, it will cache the parsed hash on the first call and use it for subsequent calls.
# File lib/sequel/extensions/pg_hstore.rb, line 110 110: def parse 111: return @result if @result 112: hash = {} 113: while !eos? 114: skip(QUOTE_RE) 115: k = parse_quoted 116: skip(KV_SEP_RE) 117: if skip(QUOTE_RE) 118: v = parse_quoted 119: skip(QUOTE_RE) 120: else 121: scan(NULL_RE) 122: v = nil 123: end 124: skip(SEP_RE) 125: hash[k] = v 126: end 127: @result = hash 128: end