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[FEAT MERGE] implement dynamic sampling

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This commit is contained in:
wangt1xiuyi
2023-04-27 12:15:28 +00:00
committed by ob-robot
parent 56f85c9c76
commit f745b47cbc
86 changed files with 6754 additions and 2282 deletions
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3
src/sql/engine/expr/ob_expr_like.cpp
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@ -971,7 +971,7 @@ int ObExprLike::like_text_vectorized_inner(const ObExpr &expr, ObEvalCtx &ctx,
ObString escape_val;
// check pattern is not null already, so result is null if and only if text is null.
bool null_check = !expr.args_[0]->get_eval_info(ctx).notnull_;
if (escape_datum->is_null()) {
if (escape_datum->is_null() || escape_datum->get_string().empty()) {
escape_val.assign_ptr("\\", 1);
} else {
escape_val = escape_datum->get_string();
@ -1002,6 +1002,7 @@ int ObExprLike::like_text_vectorized_inner(const ObExpr &expr, ObEvalCtx &ctx,
} else if (INVALID_INSTR_MODE == instr_mode
&& OB_FAIL(calc_escape_wc(escape_coll, escape_val, escape_wc))) {
LOG_WARN("calc escape wc failed", K(ret));
LOG_USER_ERROR(OB_INVALID_ARGUMENT, "ESCAPE");
} else {
#define MATCH_TEXT_BATCH_ARG_LIST expr, ctx, skip, size, coll_type, escape_wc, pattern_val, \
instr_info