remove state and county data for US and make postcode import optional

Author: lonvia

data/us_state.sql

@@ -11,6 +11,8 @@
 	@define('CONST_Database_Web_User', 'www-data');
 	@define('CONST_Max_Word_Frequency', '50000');
 	@define('CONST_Limit_Reindexing', true);
+	// Set to false to avoid importing extra postcodes for the US.
+	@define('CONST_Use_Extra_US_Postcodes', true);
 
 	// Proxy settings
 	@define('CONST_HTTP_Proxy', false);

data/us_statecounty.sql

@@ -156,9 +156,10 @@
 		{
 			echo "WARNING: external UK postcode table not found.\n";
 		}
-		pgsqlRunScriptFile(CONST_BasePath.'/data/us_statecounty.sql');
-		pgsqlRunScriptFile(CONST_BasePath.'/data/us_state.sql');
-		pgsqlRunScriptFile(CONST_BasePath.'/data/us_postcode.sql');
+		if (CONST_Use_Extra_US_Postcodes)
+		{
+			pgsqlRunScriptFile(CONST_BasePath.'/data/us_postcode.sql');
+		}
 
 		if ($aCMDResult['no-partitions'])
 		{
@@ -509,10 +510,13 @@
 		$sSQL .= "from placex where postcode is not null group by calculated_country_code,postcode) as x";
 		if (!pg_query($oDB->connection, $sSQL)) fail(pg_last_error($oDB->connection));
 
-		$sSQL = "insert into placex (osm_type,osm_id,class,type,postcode,calculated_country_code,geometry) ";
-		$sSQL .= "select 'P',nextval('seq_postcodes'),'place','postcode',postcode,'us',";
-		$sSQL .= "ST_SetSRID(ST_Point(x,y),4326) as geometry from us_postcode";
-		if (!pg_query($oDB->connection, $sSQL)) fail(pg_last_error($oDB->connection));
+		if (CONST_Use_Extra_US_Postcodes)
+		{
+			$sSQL = "insert into placex (osm_type,osm_id,class,type,postcode,calculated_country_code,geometry) ";
+			$sSQL .= "select 'P',nextval('seq_postcodes'),'place','postcode',postcode,'us',";
+			$sSQL .= "ST_SetSRID(ST_Point(x,y),4326) as geometry from us_postcode";
+			if (!pg_query($oDB->connection, $sSQL)) fail(pg_last_error($oDB->connection));
+		}
 	}
 
 	if ($aCMDResult['osmosis-init'] || ($aCMDResult['all'] && !$aCMDResult['drop'])) // no use doing osmosis-init when dropping update tables