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Fix bit type casting inconsistent with mysql

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This commit is contained in:
br0
2021-10-13 19:48:33 +08:00
committed by wangzelin.wzl
parent 8dddff226c
commit 614d2970e8
4 changed files with 227 additions and 132 deletions
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8
src/sql/engine/expr/ob_expr_operator.cpp
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@ -202,6 +202,14 @@ int OB_INLINE ObExprOperator::cast_operand_type(
LOG_DEBUG(
"need cast operand", K(res_type), K(res_type.get_calc_meta().get_scale()), K(res_obj), K(res_obj.get_scale()));
ObCastMode cast_mode = get_cast_mode();
// In PAD expression, we need add COLUMN_CONVERT to cast mode when cast is
// from bit to binary and column convert is set in column_conv_ctx_. The COLUMN_CONVERT
// cast mode is used in bit_to_string to decide which cast way is appropriate.
if (OB_UNLIKELY(T_FUN_PAD == get_type() && ob_is_bit_tc(param_type) &&
ob_is_varbinary_type(calc_type, calc_collation_type) &&
CM_IS_COLUMN_CONVERT(expr_ctx.column_conv_ctx_.cast_mode_))) {
cast_mode |= CM_COLUMN_CONVERT;
}
if (ob_is_string_or_lob_type(res_type.get_calc_type()) && res_type.is_zerofill()) {
// For zerofilled string