drh
c84a4020ef
Improvements to WHERE-clause debug tracing. Show TK_MATCH expressions and
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show more details on WhereTerm traces.
FossilOrigin-Name: 71087c12bc75a82f5d1051600a442ef6efc5e899
2016-05-27 12:30:20 +00:00
drh
94fa9c414a
Eliminate the need for the Column.zDflt (using Column.pDflt instead) to reduce
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the amount of memory needed to hold the schema.
FossilOrigin-Name: d8c94a46dfa94930732c2de2aa79675c5087d36e
2016-02-27 21:16:04 +00:00
drh
c3489bbf77
Take the LIMIT clause into account when estimating the cost of sorting.
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FossilOrigin-Name: d491745cab951e0de70f1f79b7640ea8aff6e8bb
2016-02-25 16:04:59 +00:00
drh
5f4a686f8c
Simplification and size reduction to the printf logic. Remove the bFlags
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parameter from sqlite3VXPrintf() and sqlite3XPrintf(). Use sqlite3XPrintf()
instead of sqlite3_snprintf() for rendering P4 values in EXPLAIN output.
FossilOrigin-Name: 0bdb41c45aa1cc8e5c136aaa6605d54b401483bd
2016-01-30 12:50:25 +00:00
drh
2476a6f2cb
Enhance TreeView to show WITH clauses. Add an assert to detect the
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infinite loop behavior when certain kinds of errors occur on a nested
WITH clause.
FossilOrigin-Name: 2040d88e877bdb69de125a047cefb4a1558e89e8
2015-11-07 15:19:59 +00:00
drh
0b8d255c37
Omit all use of Expr nodes for TK_AS, as those nodes no longer served a useful
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purpose and in fact interferred with the query planner.
FossilOrigin-Name: 7ab0b258eabfcfb7f1b0bd1b12e166d2f267823d
2015-09-05 22:36:07 +00:00
drh
5579d59fb3
Evaluate expressions only once when the same expression is used in both the
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result set and in the ORDER BY clause.
FossilOrigin-Name: c2f3bbad778504681b39ab9399a1eb3c1a35ab3f
2015-08-26 14:01:41 +00:00
drh
1c4505de91
Update the TreeView output for compound SELECT statements so that all entries
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are shown vertically aligned rather than each successive entry being indented.
FossilOrigin-Name: 65a8918776aa395009a690fa86bfc7d99eb973f9
2015-08-26 11:34:31 +00:00
drh
01d230ce05
A list of arguments following a table name translates into equality
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constraints against hidden columns in that table.
FossilOrigin-Name: 40e12cfe4c29475417ba89fb637b4c763cf74016
2015-08-19 17:11:37 +00:00
drh
8a48b9c0b1
Minor refactor of the SrcList object so that it is able to hold the argument
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list to a table-valued-function in the FROM clause.
FossilOrigin-Name: b919376147597c4b73421abe5788f893baf1560b
2015-08-19 15:20:00 +00:00
drh
b3d903ebe5
Show the values of Expr.flag in the AST of ".selecttrace"
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FossilOrigin-Name: a84d1004cbee67f2b8ba1fd201e43af49ea67c1b
2015-06-18 14:09:13 +00:00
drh
38b4149ca1
Factor out the TreeView parse tree printing module into a separate file.
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FossilOrigin-Name: c32ce54ca46a4be4373983be6fd44b1f3a0250d1
2015-06-08 15:08:15 +00:00
