[Lazarus] SQLite & DB Aware Components
lacak at zoznam.sk
Fri Dec 2 07:13:27 CET 2016
Dňa 1.12.2016 o 21:40 Martin Collins via Lazarus napísal(a):
> On 01/12/16 16:15, Martin Collins via Lazarus wrote:
>> From what I understand, SQLite TEXT type has no set length so db aware
>> components treat it as a memo. Therefore when I assign a TEXT field to a
>> db aware component, all that appears in the component is "(MEMO)", even
>> though most of my TEXT fields are only up to 10-30 characters long.
>> Solutions offered on-line suggest using a dbmemo (which I have for my
>> longer TEXT fields as that's what I want), but I need to use dbgrids,
>> dbedits, dbcomboboxs, etc for the shorter TEXT fields.
> I have found a solution to my problem, with thanks to the following link:
> The answer was altering my SQL Query text, from something like this:
> to this:
> CAST( "Filename" AS VARCHAR) AS "Filename",
> Casting it as a different type in the SQL statement worked!
You are not required to that if you have declared table "mytable" as:
CREATE TABLE "mytable" (
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