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SQL query - how do you use the result?

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  • ulfk
    replied
    Re: SQL query - how do you use the result?

    I've tried the ServerSideQueryRun.

    1. works (form shows only the record where ID=000002)

    Code:
    v9_test.ServerSideQueryRun("ID = '000002'")
    2. does not work (shows all records)

    Code:
    DIM args as sql::arguments
    args.set("search_name","000002")
    v9_test.ServerSideQueryRun("ID = :search_name")
    Any suggestion to what might be wrong with the argument setup?

    Leave a comment:


  • ulfk
    replied
    Re: SQL query - how do you use the result?

    Originally posted by Al Buchholz View Post
    If you press F5 (refresh) do you see the expected data?
    No, F5 does nothing. I'm unable to pass the result from the query to the form with the available options (see original post).

    Originally posted by Al Buchholz View Post
    I don't understand why you think it should have translated to an SQL query. I want to be able to use arguments to pass information to the where clause of an SQL query and use the A5 native filtering when I need it. Too much automatic translation has a price too...
    A5 marketing I guess :) See the manual

    Leave a comment:


  • Al Buchholz
    replied
    Re: SQL query - how do you use the result?

    Originally posted by ulfk View Post
    5. After running the SQL query the form should update with the matches.

    It is point 5 I'm unable to accomplish.
    If you press F5 (refresh) do you see the expected data?

    Originally posted by ulfk View Post
    I first tried the simple way using a native A5 query which should have been automatically translated to SQL on active links.
    I don't understand why you think it should have translated to an SQL query. I want to be able to use arguments to pass information to the where clause of an SQL query and use the A5 native filtering when I need it. Too much automatic translation has a price too...

    Leave a comment:


  • ulfk
    replied
    Re: SQL query - how do you use the result?

    :)

    I'm already using an active link table. It is not working well for me so I guess I should try to explain what I'm trying to accomplish.

    1. A form has a search field.

    2. User enters text in the field and hits enter.

    3. A variable hooked up to the field passes the text to an argument.

    4. The argument is a part of an SQL query and looks for partial matches.

    5. After running the SQL query the form should update with the matches.

    It is point 5 I'm unable to accomplish.

    Not sure if a "pre-filtered" table can be used with the variable, but I will try.

    I would like to add, I first tried the simple way using a native A5 query which should have been automatically translated to SQL on active links. Unfortunately it does not work well with variables and partial matches. It takes minutes to process. It seem to fetch all records (10000+) from the MySQL database. Passing it to an intermediate A5 dbf table. Then querying the A5 dbf table itself. Very slow.

    Leave a comment:


  • NoeticCC
    replied
    Re: SQL query - how do you use the result?

    Originally posted by ulfk View Post
    The selection from the SQL query is put in a result. From my experience the result is not affecting what records are displayed. I would like to use the result to display the records from the query in a browse or a form. Which of the actions would do this?
    As the previous poster explained, an active link table will show the results of such a query in a browse - you were using the genies to generate the SQL query, which is fine for using such query results in Xbasic scripts... but if you want to use this data in forms and browses there are far easier ways :)

    Just specify the query as the datasource for an active link table, then create the browse or form on that table like you would for a DBF table :)

    Leave a comment:


  • Al Buchholz
    replied
    Re: SQL query - how do you use the result?

    Originally posted by ulfk View Post
    The selection from the SQL query is put in a result. From my experience the result is not affecting what records are displayed. I would like to use the result to display the records from the query in a browse or a form. Which of the actions would do this?
    Then use a passive or active linked table...

    Leave a comment:


  • ulfk
    replied
    Re: SQL query - how do you use the result?

    The selection from the SQL query is put in a result. From my experience the result is not affecting what records are displayed. I would like to use the result to display the records from the query in a browse or a form. Which of the actions would do this?

    Leave a comment:


  • NoeticCC
    replied
    Re: SQL query - how do you use the result?

    The WHERE clause in the select statement is what defines which records are selected. I am unsure as to why you want to "filter records" on top of that?

    Leave a comment:


  • ulfk
    started a topic SQL query - how do you use the result?

    SQL query - how do you use the result?

    In the script genie "Execute SELECT Query on A SQL database" there are three actions to choose from.

    1. Open window to preview result
    2. Generate code to loop over rows
    3. Dump results to a variable

    There seem to be a missing action. There is no "filter records" option.

    Any suggestions on how to use the result to filter the records in the form initiating the query?

    The records in the form and the SQL query is using the same active link table.

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