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[FEAT MERGE] implement mysql dblink and read consistency

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Co-authored-by: xianyu-w <707512433@qq.com>
Co-authored-by: sdc <njucssdc@gmail.com>
Co-authored-by: seuwebber <webber_code@163.com>
This commit is contained in:
cqliang1995
2023-05-09 18:32:03 +00:00
committed by ob-robot
parent 38b78ad442
commit 4108e781d4
132 changed files with 2726 additions and 818 deletions
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4
src/sql/engine/table/ob_table_scan_op.cpp
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@ -59,6 +59,7 @@ int FlashBackItem::set_flashback_query_info(ObEvalCtx &eval_ctx, ObDASScanRtDef
ret = OB_ERR_UNEXPECTED;
LOG_WARN("NULL value", K(ret));
} else {
scan_rtdef.fb_read_tx_uncommitted_ = fq_read_tx_uncommitted_;
if (TableItem::USING_TIMESTAMP == flashback_query_type_) {
if (ObTimestampTZType != expr->datum_meta_.type_) {
ret = OB_ERR_UNEXPECTED;
@ -123,6 +124,7 @@ OB_DEF_SERIALIZE(ObTableScanCtDef)
}
OB_UNIS_ENCODE(calc_part_id_expr_);
OB_UNIS_ENCODE(global_index_rowkey_exprs_);
OB_UNIS_ENCODE(flashback_item_.fq_read_tx_uncommitted_);
return ret;
}
@ -149,6 +151,7 @@ OB_DEF_SERIALIZE_SIZE(ObTableScanCtDef)
}
OB_UNIS_ADD_LEN(calc_part_id_expr_);
OB_UNIS_ADD_LEN(global_index_rowkey_exprs_);
OB_UNIS_ADD_LEN(flashback_item_.fq_read_tx_uncommitted_);
return len;
}
@ -192,6 +195,7 @@ OB_DEF_DESERIALIZE(ObTableScanCtDef)
}
OB_UNIS_DECODE(calc_part_id_expr_);
OB_UNIS_DECODE(global_index_rowkey_exprs_);
OB_UNIS_DECODE(flashback_item_.fq_read_tx_uncommitted_);
return ret;
}