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Sometimes a TK_COLUMN Expr node can have Expr.pTab==0 if it is a reference

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to an expression column in an index on and expression.  Fix for ticket
[aa98619ad08ddcab].

FossilOrigin-Name: d0da791ba0edfb65186459345e43500d8364a086a5a1651d828fecc1a1dd1edb
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drh
2017-08-14 14:53:24 +00:00
parent 1112cc797b
commit 4dd89d5a24
6 changed files with 37 additions and 12 deletions
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3
src/sqliteInt.h
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@@ -2385,7 +2385,8 @@ struct Expr {
** TK_COLUMN: the value of p5 for OP_Column
** TK_AGG_FUNCTION: nesting depth */
AggInfo *pAggInfo; /* Used by TK_AGG_COLUMN and TK_AGG_FUNCTION */
Table *pTab; /* Table for TK_COLUMN expressions. */
Table *pTab; /* Table for TK_COLUMN expressions. Can be NULL
** for a column of an index on an expression */
};
/*