method
data_source_exists?
Ruby on Rails latest stable (v7.1.3.2)
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Class: SchemaStatements
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data_source_exists?(name)
public
Hide source
# File activerecord/lib/active_record/connection_adapters/postgresql/schema_statements.rb, line 107 def data_source_exists?(name) name = Utils.extract_schema_qualified_name(name.to_s) return false unless name.identifier select_value( SELECT COUNT(*) FROM pg_class c LEFT JOIN pg_namespace n ON n.oid = c.relnamespace WHERE c.relkind IN ('r','v','m') -- (r)elation/table, (v)iew, (m)aterialized view AND c.relname = '#{name.identifier}' AND n.nspname = #{name.schema ? "'#{name.schema}'" : 'ANY (current_schemas(false))'}, 'SCHEMA').to_i > 0 end