44 lines
2.2 KiB
PHP
44 lines
2.2 KiB
PHP
<?php
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// Connecting, selecting database
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$dbconn = pg_connect("host=localhost dbname=nws user=nws password=nws")
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or die('Could not connect: ' . pg_last_error());
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// Performing SQL query
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//$query = "SELECT distinct on (camid) camid, filepath FROM camdb order by camid,dateutc desc";
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//$query = "SELECT * FROM cams WHERE active <> false AND lastsuccess IS NOT NULL AND (EXTRACT(EPOCH FROM (current_timestamp - lastsuccess ))/60) < (interval + 20) order by elevation desc";
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//$query = "SELECT cwa,lat,lon,lastimage,county,elevation,camid,state,description FROM cams WHERE active <> false AND lastsuccess IS NOT NULL AND (EXTRACT(EPOCH FROM (current_timestamp - lastsuccess ))/60) < (interval + 20) order by elevation desc";
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//$query = "SELECT json_build_object('type', 'FeatureCollection','features', json_agg(json_build_object('type','Feature', 'geometry', ST_AsGeoJSON(WITH subquery_points AS (SELECT geom AS point_geometry FROM cams WHERE active = true and totalfails < 50) SELECT ST_Buffer(point_geometry::geography, 8000) AS circle_geometry FROM subquery_points)))";
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//"SELECT json_build_object('type', 'FeatureCollection','features', json_agg(json_build_object('type','Feature', 'geometry', ST_AsGeoJSON(realgeom)::json,'properties',json_build_object('time',startguess,'county',county,'state',state,'outage',outagen,'lastchange',lastchange,'cause',cause))order by startguess asc)) FROM power WHERE cwa = $1 and active = true"
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$query = "WITH subquery_points AS (
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SELECT geom AS point_geometry
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FROM cams
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WHERE active = true and lastsuccess IS NOT NULL AND (EXTRACT(EPOCH FROM (current_timestamp - lastsuccess ))/60) < 60
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)
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SELECT jsonb_build_object(
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'type', 'FeatureCollection',
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'features', jsonb_agg(jsonb_build_object(
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'type', 'Feature',
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'geometry', ST_AsGeoJSON(ST_Buffer(point_geometry::geography, 8000))::jsonb
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))
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) AS feature_collection
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FROM subquery_points";
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$result = pg_query($query) or die('Query failed: ' . pg_last_error());
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// Printing results in HTML
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while ($line = pg_fetch_array($result, null, PGSQL_ASSOC)) {
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$array[] = $line;
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}
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print_r($array[0]['feature_collection']);
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// Free resultset
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pg_free_result($result);
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// Closing connection
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pg_close($dbconn);
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?>
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