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Author SHA1 Message Date
Nyall Dawson 98ef4a1663 [odbc] Ensure repid field formatting matching Microsoft Access ODBC 
driver formatting of these fields (i.e. without surrounding {} braces)
 2021-08-30 09:34:29 +10:00
Nyall Dawson d94796d79b Fix accidental reads of non-index data as indices 
Follow up be2a287f5c - it's hard to be sure from the commit message,
but I suspect the intention here was to reduce the number of indices
read in that particular situation, instead of allowing replacing
the number of real indices read direct from the table definition
with a larger number.

In any case, omitting a possible index definition which exists
is a safer approach then trying to read an index from non-index data.

Fixes #335
 2021-08-29 16:22:34 +10:00
Nyall Dawson dccc88b722 Fix incorrect conversion of double values 
Fixes #339
 2021-08-29 15:31:00 +10:00
Nyall Dawson 4c61f2d49b Handle sql queries where a double constant value has a trailing . 
with no extra digits, e.g. "my_double_col" = 123.
 2021-08-26 23:54:06 -04:00
Nyall Dawson 036f9b95c6 Handle sql queries where a double column is compared to an int 
eg "my_double_column" = 123
 2021-08-26 23:54:06 -04:00
Nyall Dawson f4ca6b9e57 Handle sql queries where an integer column is compared to a double value 
(e.g. "my_int_column" = 123.0)
 2021-08-26 23:54:06 -04:00
Nyall Dawson f557e6525b Better error output 2021-08-26 23:49:11 -04:00
Nyall Dawson fa336fd325 Handle sql queries using REP_ID columns 2021-08-26 20:17:39 -04:00
Nyall Dawson fadd536e2e Add support for <> SQL operator (#329) 2021-08-22 00:28:29 -04:00
Nyall Dawson 05d1b373d5 [odbc] Format boolean values correctly as SQL_C_CHAR (#327) 
When a boolean column value is requested as a SQL_C_CHAR value,
correctly return a "1" or "0" string value
 2021-08-19 21:21:46 -04:00
Nyall Dawson cfbca2af03 Copy date formats when cloning handle (#326) 
Fix date format for odbc handles get reset to default date format
for backend when handle is cloned
 2021-08-18 22:08:07 -04:00
Nyall Dawson 3ac497c6ff Fix crash when a missing file is accessed via ODBC 2020-10-12 13:47:11 +10:00
Nyall Dawson 83104b7b69 Setup operator precedence for parser to avoid ambiguity and fix shift/reduce warnings 2020-08-23 07:57:17 +10:00
Nyall Dawson 88e2ffa34a const correctness (fixes warning) 2020-08-23 07:56:26 +10:00
Nyall Dawson ab9d17ef98 Fix read after free error 2020-08-21 09:36:01 +10:00
Nyall Dawson d0ea8a9a86 ODBC requires dates formatted in ISO standards 2020-08-20 14:07:17 +10:00
Nyall Dawson 40981d2fc6 Only handle tables in SQLColumns, not other objects 2020-08-19 10:50:12 +10:00
Nyall Dawson b72ac6b1c0 Don't crash when a table can't be read for some reason 2020-08-19 10:44:17 +10:00
Nyall Dawson 333f4712b9 Fix empty table results 
Fixes #19
 2020-08-19 10:28:01 +10:00
Nyall Dawson 44529052be Try using homebrew version of bison 2020-08-18 15:21:36 +10:00
Nyall Dawson 083ec7f9e4 SELECT ... LIMIT 0 should return no rows, not all rows 2020-08-18 14:54:38 +10:00
Nyall Dawson 4e3ed3a5fd Fix LIMIT clause is ignored when executing SQL via ODBC 2020-08-18 14:54:19 +10:00
Nyall Dawson e82c1e9e1b Fix another leak 2020-08-18 14:36:44 +10:00
Nyall Dawson e8ab7e7ea6 Fix leak after running "SELECT COUNT(*)..." sql query 2020-08-18 12:36:29 +10:00
Nyall Dawson c65b402348 Fix leak after running "SELECT COUNT(*)..." sql query 2020-08-18 12:31:38 +10:00
Nyall Dawson 86741f4614 More thread safety 2020-08-18 12:28:20 +10:00
Nyall Dawson e92f14f9c4 Make SQL parser/lexer reentrant 
Provides thread safety for mdbtools ODBC driver
 2020-08-18 12:23:04 +10:00
Nyall Dawson 6085a89e1d Use ICONV_CONST 2020-08-13 12:42:32 +10:00
Nyall Dawson 3f278f3996 Correctly return len of character data when SQLColAttributes is called with SQL_COLUMN_TYPE_NAME 2020-08-13 12:40:46 +10:00
Nyall Dawson 1fc6d60dfa Fix placeholder text used instead of type name in SQLGetData SQLColumns_TYPE_NAME call 2020-08-13 12:12:57 +10:00
Nyall Dawson 1846fab4e6 Const correctness on src char pointers for unicode/ascii conversion 2020-08-13 12:12:52 +10:00
Nyall Dawson 8202e38155 Don't automatically add terminators when reading data parts 
via SQLGetData for OLE fields

if the column type is OLE, then we don't add terminators
see https://docs.microsoft.com/en-us/sql/odbc/reference/syntax/sqlgetdata-function?view=sql-server-ver15
and https://www.ibm.com/support/knowledgecenter/SSEPEK_11.0.0/odbc/src/tpc/db2z_fngetdata.html

"The buffer that the rgbValue argument specifies contains nul-terminated values, unless you retrieve
binary data, or the SQL data type of the column is graphic (DBCS) and the C buffer type is SQL_C_CHAR."
 2020-08-13 08:03:00 +10:00
Nyall Dawson 9a749e68fd Report more accurate field type for OLE fields 2020-08-12 15:33:54 +10:00
Nyall Dawson 277b49f209 More warning fixes 2020-08-12 13:11:52 +10:00
Nyall Dawson 1639283779 Fix int/guint comparison warnings 2020-08-12 13:04:20 +10:00
Nyall Dawson 68d3104134 pos should finish on data length 2020-08-12 09:51:54 +10:00
Nyall Dawson 2567e57faa Fix incorrect early free of str when reading ole fields 2020-08-12 09:06:04 +10:00
Nyall Dawson 3517b0eee6 Implement SQL_COLUMN_TYPE_NAME field identifier in SQLColAttributes 
Without this use of mdbtools in UnixODBC is broken, as all calls to
SqlFetch error out
 2020-08-07 13:48:45 +10:00