Merge pull request #564 from trails-cool/fix-poi-import-dedup
Fix poi-import: dedupe elements matching a category via multiple selectors
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commit
b7c3297d4a
1 changed files with 9 additions and 2 deletions
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@ -117,8 +117,14 @@ log "building classified staging table"
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cat <<'SQL'
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DROP TABLE IF EXISTS planner.pois_staging;
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CREATE TABLE planner.pois_staging (LIKE planner.pois INCLUDING DEFAULTS);
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-- DISTINCT ON collapses an element that matches a category through more than
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-- one selector (e.g. shelter = amenity=shelter OR tourism=wilderness_hut; an
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-- element tagged with both would otherwise produce two identical rows and
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-- violate the (osm_type, osm_id, category) PK). This mirrors
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-- matchingCategoryIds: one row per (element, category).
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INSERT INTO planner.pois_staging (osm_type, osm_id, category, name, geom, tags, imported_at)
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SELECT r.doc->>'osm_type',
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SELECT DISTINCT ON (r.doc->>'osm_type', r.doc->>'osm_id', s.category)
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r.doc->>'osm_type',
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r.doc->>'osm_id',
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s.category,
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r.doc->>'name',
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@ -126,7 +132,8 @@ SELECT r.doc->>'osm_type',
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COALESCE(r.doc->'tags', '{}'::jsonb),
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now()
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FROM planner.pois_raw_import r
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JOIN poi_selector s ON r.doc->'tags'->>s.key = s.value;
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JOIN poi_selector s ON r.doc->'tags'->>s.key = s.value
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ORDER BY r.doc->>'osm_type', r.doc->>'osm_id', s.category;
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ALTER TABLE planner.pois_staging
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ADD CONSTRAINT pois_staging_pkey PRIMARY KEY (osm_type, osm_id, category);
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CREATE INDEX pois_staging_geom_idx ON planner.pois_staging USING gist (geom);
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