Imports
- github.com/pkg/errors
- github.com/cockroachdb/cockroach/pkg/sql/opt/exec/execbuilder
- github.com/cockroachdb/cockroach/pkg/sql/pgwire/pgerror
- github.com/cockroachdb/cockroach/pkg/sql/opt/optgen/exprgen
- github.com/cockroachdb/cockroach/pkg/sql/opt/xform
- github.com/cockroachdb/cockroach/pkg/sql/sem/tree
- github.com/cockroachdb/cockroach/pkg/sql/opt/norm
- github.com/cockroachdb/cockroach/pkg/sql/parser
- github.com/cockroachdb/cockroach/pkg/sql/opt
- github.com/cockroachdb/cockroach/pkg/sql/opt/optbuilder
- github.com/cockroachdb/cockroach/pkg/settings/cluster
- github.com/cockroachdb/cockroach/pkg/testutils/datadriven
- github.com/cockroachdb/cockroach/pkg/sql/opt/props/physical
- github.com/pmezard/go-difflib/difflib
- github.com/cockroachdb/cockroach/pkg/util
- github.com/cockroachdb/cockroach/pkg/sql/opt/testutils/testcat
- github.com/cockroachdb/cockroach/pkg/sql/opt/memo
- github.com/cockroachdb/cockroach/pkg/sql/opt/cat