class PgObjects::Parser
Reads directives from SQL-comments
--!depends_on [name_of_dependency]
name_of_dependency: short or full name of object as well as object_name
Constants
- ROUTES
Public Class Methods
fetch_directives(text)
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# File lib/pg_objects/parser.rb, line 25 def fetch_directives(text) { depends_on: fetch_dependencies(text) } end
fetch_object_name(text)
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# File lib/pg_objects/parser.rb, line 31 def fetch_object_name(text) parsed = PgQuery.parse(text).tree.dig(0, 'RawStmt', 'stmt') ROUTES.map { |route| parsed.dig(*route) }.compact[0] rescue PgQuery::ParseError, NoMethodError nil end
Private Class Methods
fetch_dependencies(text)
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# File lib/pg_objects/parser.rb, line 40 def fetch_dependencies(text) text.split("\n").select { |ln| ln =~ /^(--|#)!/ }.map { |ln| ln.split[1] if ln =~ /!depends_on/ }.compact end