Issue #3445944: Check for empty ID list on Migrate SQL map

Migrate SQL map should check it doesn't get an empty array of IDs from the source or destination.

It's expected the mapping table to have at least one sourceidN and one destidN columns. For instance, doing "drush mmsg" crashes if no IDs are provided.

Closes #3445944

changed title from Draft: Check for empty ID list on Migrate SQL map to [Draft] Issue #3425692: Check for empty ID list on Migrate SQL map

changed title from [Draft] Issue #3425692: Check for empty ID list on Migrate SQL map to [Draft] Issue #3445944: Check for empty ID list on Migrate SQL map

added 8 commits

• b853550a...b41dfccb - 7 commits from branch project:11.x
• d2011ba6 - Check for empty ID list on Migrate SQL map

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marked this merge request as ready

added 4 commits

• d2011ba6...d6674579 - 3 commits from branch project:11.x
• 99ae9638 - Issue #3445944 by bember, joachim: Check for empty ID list on Migrate SQL map

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added 1 commit

• 2d8b5a76 - Issue #3445944 by bember, joachim: Check for empty ID list on Migrate SQL map

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resolved all threads

added 7 commits

• 2d8b5a76...7b1d78a7 - 6 commits from branch project:11.x
• b299505b - Issue #3445944 by bember, joachim: Check for empty ID list on Migrate SQL map

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resolved all threads