Methods
Instance Public methods
escape_bytea(value)
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Escapes binary strings for bytea input to the database.
quote_table_name(name)
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Checks the following cases:
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table_name
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“table.name”
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schema_name.table_name
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schema_name.“table.name”
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“schema.name”.table_name
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“schema.name”.“table.name”
# File activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb, line 152 def quote_table_name(name) schema, name_part = extract_pg_identifier_from_name(name.to_s) unless name_part quote_column_name(schema) else table_name, name_part = extract_pg_identifier_from_name(name_part) "#{quote_column_name(schema)}.#{quote_column_name(table_name)}" end end
quote_table_name_for_assignment(table, attr)
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type_cast(value, column, array_member = false)
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# File activerecord/lib/active_record/connection_adapters/postgresql/quoting.rb, line 84 def type_cast(value, column, array_member = false) return super(value, column) unless column case value when Range if /range$/ =~ column.sql_type PostgreSQLColumn.range_to_string(value) else super(value, column) end when NilClass if column.array && array_member 'NULL' elsif column.array value else super(value, column) end when Array case column.sql_type when 'point' then PostgreSQLColumn.point_to_string(value) when 'json' then PostgreSQLColumn.json_to_string(value) else if column.array PostgreSQLColumn.array_to_string(value, column, self) else super(value, column) end end when String if 'bytea' == column.sql_type # Return a bind param hash with format as binary. # See http://deveiate.org/code/pg/PGconn.html#method-i-exec_prepared-doc # for more information { value: value, format: 1 } else super(value, column) end when Hash case column.sql_type when 'hstore' then PostgreSQLColumn.hstore_to_string(value, array_member) when 'json' then PostgreSQLColumn.json_to_string(value) else super(value, column) end when IPAddr if %w(inet cidr).include? column.sql_type PostgreSQLColumn.cidr_to_string(value) else super(value, column) end else super(value, column) end end
unescape_bytea(value)
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Unescapes bytea output from a database to the binary string it represents. NOTE: This is NOT an inverse of #escape_bytea! This is only to be used on escaped binary output from database drive.