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fix lossless cast bug

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This commit is contained in:
2149
2023-11-21 09:11:03 +00:00
committed by ob-robot
parent 78ee253c39
commit dbc0a0e4ff
1 changed files with 6 additions and 0 deletions
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6
src/sql/optimizer/ob_optimizer_util.cpp
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@ -5906,6 +5906,9 @@ bool ObOptimizerUtil::is_lossless_type_conv(const ObExprResType &child_type, con
is_lossless = (dst_type.get_scale() >= child_type.get_scale() is_lossless = (dst_type.get_scale() >= child_type.get_scale()
&& dst_type.get_precision() >= child_type.get_precision()); && dst_type.get_precision() >= child_type.get_precision());
} }
} else if (ObNumberTC == dst_tc) {
is_lossless = NUMBER_SCALE_UNKNOWN_YET == dst_type.get_scale()
&& PRECISION_UNKNOWN_YET == dst_type.get_precision();
} }
} }
} }
@ -6052,6 +6055,9 @@ int ObOptimizerUtil::is_lossless_column_cast(const ObRawExpr *expr, bool &is_los
is_lossless = (dst_type.get_scale() >= child_type.get_scale() is_lossless = (dst_type.get_scale() >= child_type.get_scale()
&& dst_type.get_precision() >= child_type.get_precision()); && dst_type.get_precision() >= child_type.get_precision());
} }
} else if (ObNumberTC == dst_tc) {
is_lossless = NUMBER_SCALE_UNKNOWN_YET == dst_type.get_scale()
&& PRECISION_UNKNOWN_YET == dst_type.get_precision();
} }
} }
} }