James Hawkins
7abb42a994
msi: Free each table object when deleting the join view.
2009-12-14 12:20:43 +01:00
Nate Gallaher
cc366e1282
msi: Add tablename tracking to VIEW_find_column.
...
This fixes the bug where multiple columns of the same name, but
different tables are members of a join. Any attempt to refer to these
columns will resolve to the first available column with that name,
irregardless of any tablename modifier.
2009-10-27 14:01:23 +01:00
Hans Leidekker
22a277cc2e
msi: Fix some memory leaks.
2009-05-28 15:29:09 +02:00
James Hawkins
c9b3bc1165
msi: Column attributes for temporary string and int columns should be g and j respectively.
2009-03-02 12:05:28 +01:00
James Hawkins
62c544cf4f
msi: Implement the DROP TABLE sql command.
2008-10-06 13:05:52 +02:00
James Hawkins
061085fa94
msi: Fix joining a nonexistent table with another table.
2008-04-03 11:30:01 +02:00
Rob Shearman
dd31a1eac4
msi: Fix typos which caused joins of three or more tables to not work properly.
...
In JOIN_fetch_int and JOIN_fetch_stream, prev_rows should be multiplied
by the rows encountered in the current table so that prev_rows contains
all of counts of the rows encountered multiplied together, rather than
just the count of the rows in the last table encountered.
2008-03-12 19:21:19 +01:00
James Hawkins
91c205e8c0
msi: Sort each table of the join separately.
2007-12-18 12:32:55 +01:00
James Hawkins
2e6ed06fdc
msi: Reimplement joins to allow joining any number of tables, each of arbitrary size.
2007-08-02 12:18:42 +02:00
James Hawkins
b830fb0a34
msi: Implement the MSIMODIFY_UPDATE command in the SELECT view.
2007-07-27 12:24:39 +02:00
James Hawkins
ccef56f2cc
msi: Ref count temporary columns and release them when necessary.
2007-07-23 11:55:34 +02:00
James Hawkins
0fd733bf90
msi: Implement adding columns using the ALTER command.
2007-07-23 11:55:11 +02:00
James Hawkins
3b1ab76986
msi: Implement reference counting for tables, manipulated with the HOLD and FREE sql commands.
2007-07-19 12:00:43 +02:00
James Hawkins
9309f4dfa0
msi: Properly delete rows from the table, instead of zeroing out the row.
2007-06-19 11:31:44 +02:00
Mike McCormack
c6124db905
msi: Use a simpler algorithm for joins.
2006-10-31 11:57:40 +01:00
Mike McCormack
1582f58036
msi: Fix the join algorithm.
2006-10-26 12:56:10 +02:00
Mike McCormack
9b95c27c9c
msi: Remove some unused functions.
2006-10-26 12:56:09 +02:00
James Hawkins
a302f03c65
msi: Allow non-key columns to be used with the join query.
2006-09-08 12:43:55 +02:00
Mike McCormack
6eea50394e
msi: Fix a memory leak.
2006-08-29 13:48:07 +02:00
Mike McCormack
76baa45a86
msi: Implement SQL inner joins.
2006-07-26 15:17:40 +02:00