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Returns a row as JSON object.
Component | Version | macOS | Windows | Linux | Server | iOS SDK |
FM FMSQL JSON | 8.1 | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
Parameter | Description | Example | Flags |
---|---|---|---|
SQLref | The reference number returned by FM.SQL.Execute function. | $SQLRef | |
Row | The row you like to get. | 1 | |
FieldNames | A list of field names for the JSON. | "Model¶Names" | |
Flags | The flags for the json creation. Pass 1 to get all values as text. Pass 2 to get all dates, times and timestamps in SQL format. Pass 4 to get arrays instead of objects for the individual rows. |
1+2 | Optional |
Returns JSON text or error.
Query JSON record:
# run query to get some data
Set Variable [ $sql ; Value: MBS( "FM.SQL.Execute"; ""; "SELECT \"First\", \"Last\", Company, \"Photo Container\" FROM Contacts") ]
# query data
Set Variable [ $json ; Value: MBS( "FM.SQL.JSONRecord"; $sql; 0; "First¶Last¶Company¶Photo"; 2) ]
# store result
Set Field [ Contacts::Output ; $xml ]
# free memory
Set Variable [ $xml ; Value: MBS( "FM.SQL.Release"; $sql) ]
Query record as JSON:
Let ( [
fields = MBS( "FM.QueryFieldsForTableName"; "Contacts");
Records = MBS( "FM.SQL.Execute"; ""; "SELECT \"" & substitute(fields; ¶; "\", \"") & "\" FROM \"Contacts\" WHERE \"First\" = ?"; "Joe");
json = MBS( "FM.SQL.JSONRecord"; Records; 0; fields);
r = MBS( "FM.SQL.Release"; Records )]
; json )
Created 4th March 2018, last changed 5th April 2021
FM.SQL.JSONColumn - FM.SQL.JSONRecords
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