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Raise error if destination and source are the same #101

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Raise error if destination and source are the same #101

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2 changes: 2 additions & 0 deletions lib/pgsync/sync.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,8 @@ def perform
print_description("From", source)
print_description("To", destination)

raise Error, "Destination must be different from source" if source.url == destination.url

if (opts[:preserve] || opts[:overwrite]) && destination.server_version_num < 90500
raise Error, "Postgres 9.5+ is required for --preserve and --overwrite"
end
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4 changes: 4 additions & 0 deletions test/sync_test.rb
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Expand Up @@ -63,6 +63,10 @@ def test_preserve_no_primary_key
assert_error "No primary key", "chapters --preserve", config: true
end

def test_same_source_destination
assert_error "Destination must be different from source", "--from pgsync_test1 --to pgsync_test1", config: true
end

def test_no_shared_fields
assert_prints "authors: No fields to copy", "authors", config: true
end
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