Mercurial > gemma
annotate schema/updates/1409/01.add_fm_validity_indexes.sql @ 4971:de190de05f67 fairway-marks-import
Add index to speed up fairway marks imports a bit
The new indexes allow index based filtering of historic entries
using the @> operator in the main import SQL statement.
author | Tom Gottfried <tom@intevation.de> |
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date | Fri, 28 Feb 2020 18:35:07 +0100 |
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de190de05f67
Add index to speed up fairway marks imports a bit
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1 DO LANGUAGE plpgsql |
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2 $$ |
de190de05f67
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3 DECLARE table_suffix varchar; |
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4 BEGIN |
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5 FOREACH table_suffix IN ARRAY ARRAY[ |
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6 'bcnlat_hydro', 'bcnlat_ienc', 'boycar', |
de190de05f67
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7 'boylat_hydro', 'boylat_ienc', 'boysaw', |
de190de05f67
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8 'boyspp', 'daymar_hydro', 'daymar_ienc', |
de190de05f67
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9 'lights', 'rtpbcn', 'topmar', 'notmrk'] |
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10 LOOP |
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11 EXECUTE format( |
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12 'CREATE INDEX fairway_marks_%1$s_validity ' |
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13 'ON waterway.fairway_marks_%1$s USING GiST (validity)', |
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14 table_suffix); |
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15 END LOOP; |
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16 END; |
de190de05f67
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17 $$; |