Sorry did not see the original email. Guess I needed to start from the beginning lol
I have a column called “prted” with integer of 0(default) or 1 in my table to specify if the item has been printed. When indexed works fast and takes little space. So I am doing similar to what Karen says. A little off topic but in my experience using datetime column types(even indexed) are slow with large datasets. I usually create two columns, one for date and one for time. Dan Goldberg From: 'Karen Tellef' via RBASE-L <[email protected]> Sent: Friday, June 20, 2025 7:58 AM To: 'Daniel Goldberg' via RBASE-L <[email protected]> Subject: Re: [EXTERNAL] Re: [RBASE-L] - Speeding up SELECT WHERE ColName IS NULL But you're missing Doug's problem, Dan. In order to populate the temp table, he would have to say "where Datecol is null", because those are the records that haven't been printed yet. And Doug is saying that the "is null" is really slow Karen On Friday, June 20, 2025 at 09:53:20 AM CDT, 'Daniel Goldberg' via RBASE-L <[email protected]<mailto:[email protected]>> wrote: For my warehouse team, i create a temp table, open a form, and they double click or type in the part#s they want to print. Then the labels print based on the temp table. No extra columns for your permanent tables and super fast. Dan Goldberg From: [email protected]<mailto:[email protected]> <[email protected]<mailto:[email protected]>> On Behalf Of Doug Hamilton Sent: Friday, June 20, 2025 7:46 AM To: [email protected]<mailto:[email protected]> Subject: [EXTERNAL] Re: [RBASE-L] - Speeding up SELECT WHERE ColName IS NULL That would work, Buddy. Remember this column is not indexed, so the questions becomes: What SELECTs multiple rows faster - a specific value or a null value? Which is what Nicky's approach was asking. Doug On 6/18/2025 4:30 PM, 'Buddy Walker' via RBASE-L wrote: Doug What I have done in the past was set the default value to some off the date like 12/31/1899 then print your labels where the date = 12/31/1899 Buddy Sent from my iPhone On Jun 18, 2025, at 4:41 PM, 'Karen Tellef' via RBASE-L <[email protected]><mailto:[email protected]> wrote: Nick: His LabelsPrintedDTS field is a DATETIME or DATE, as far as I can tell Karen On Wednesday, June 18, 2025 at 03:36:00 PM CDT, 'Nicky Avery' via RBASE-L <[email protected]><mailto:[email protected]> wrote: On Wednesday, June 18, 2025 at 02:31:55 PM CDT, Doug Hamilton <[email protected]><mailto:[email protected]> wrote: Labels to be printed are selected WHERE LabelsPrintedDTS IS NULL. Doug, when you create a new order, had you tried assigning a default value of 0 to LabelsPrintedDTS rather than no value? Once printed, you can change it to 1. This way you search on ... WHERE LabelsPrintedDTS = 0 rather than NULL. 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