↓ 1 callersFunctionencodeChunkRow(sc *stmtctx.StatementContext, b []byte, row chunk.Row, allTypes []*types.FieldType, colIdx []int, comparable,
tidbparser/dependency/util/codec/codec.go:176
↓ 1 callersFunctionmergeEvalType(lhs, rhs EvalType, lft, rft *FieldType, isLHSUnsigned, isRHSUnsigned bool)
tidbparser/dependency/types/field_type.go:124