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SELECT GROUP_CONCAT() does return binary collation also in the latest server versions, that was not fixed in 5.0.46. Extend the workaround with PMYSQL_FIELD.org_table to all versions above 4.1. Fixes issue #1514.

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This commit is contained in:
Ansgar Becker
2009-12-08 18:05:48 +00:00
parent 3ca479dd39
commit 1c69941f11
1 changed files with 3 additions and 2 deletions
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5
source/mysql_connection.pas
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@ -830,10 +830,11 @@ begin
else for j:=Low(Datatypes) to High(Datatypes) do begin
if Field._type = Datatypes[j].NativeType then begin
// Text and Blob types share the same constants (see FIELD_TYPEs in mysql_api)
// Function results return binary collation on servers below 5.0.46. Work around
// Some function results return binary collation up to the latest versions. Work around
// that by checking if this field is a real table field
// See http://bugs.mysql.com/bug.php?id=10201
if Connection.IsUnicode then
IsBinary := (Field.charsetnr = COLLATION_BINARY) and ((Field.org_table <> '') or (Connection.ServerVersionInt > 50046))
IsBinary := (Field.charsetnr = COLLATION_BINARY) and (Field.org_table <> '')
else
IsBinary := (Field.flags and BINARY_FLAG) = BINARY_FLAG;
if IsBinary and (Datatypes[j].Category = dtcText) then