Switch flex config files from hstore to jsonb

The jsonb data type is built into PostgreSQL, no hstore extension is
needed. It is more flexible and there are more functions to extract
data from it.

Author: joto

flex-config/attributes.lua

@@ -11,7 +11,7 @@ local srid = 4326
 local tables = {}
 
 tables.points = osm2pgsql.define_node_table('points', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'point', projection = srid },
     { column = 'version', type = 'int' },
     { column = 'changeset', type = 'int' },
@@ -21,7 +21,7 @@ tables.points = osm2pgsql.define_node_table('points', {
 })
 
 tables.lines = osm2pgsql.define_way_table('lines', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'linestring', projection = srid },
     { column = 'version', type = 'int' },
     { column = 'changeset', type = 'int' },
@@ -31,7 +31,7 @@ tables.lines = osm2pgsql.define_way_table('lines', {
 })
 
 tables.relations = osm2pgsql.define_relation_table('relations', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'version', type = 'int' },
     { column = 'changeset', type = 'int' },
     { column = 'created', type = 'timestamp' },

flex-config/data-types.lua

@@ -1,6 +1,6 @@
 -- This config example file is released into the Public Domain.
 
--- This is a very simple Lua config for the Flex Backend not intended for
+-- This is a very simple Lua config for the Flex output not intended for
 -- real-world use. Look at and understand "simple.lua" first, before looking
 -- at this file. This file demonstrates some column data type options.
 
@@ -19,7 +19,7 @@ local highways = osm2pgsql.define_way_table('highways', {
 
     -- type "bool" is special, see below
     { column = 'lit',      type = 'bool' },
-    { column = 'tags',     type = 'hstore' },
+    { column = 'tags',     type = 'jsonb' }, -- also available: 'json', 'hstore'
 
     -- an PostgreSQL array type, not specially handled by osm2pgsql, see below
     { column = 'nodes',    type = 'int8[]' },

flex-config/generic.lua

@@ -2,36 +2,36 @@
 
 -- This is a generic configuration that is a good starting point for
 -- real-world projects. Data is split into tables according to geometry type
--- and most tags are stored in hstore columns.
+-- and most tags are stored in jsonb columns.
 
 -- Set this to the projection you want to use
 local srid = 3857
 
 local tables = {}
 
 tables.points = osm2pgsql.define_node_table('points', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'point', projection = srid },
 })
 
 tables.lines = osm2pgsql.define_way_table('lines', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'linestring', projection = srid },
 })
 
 tables.polygons = osm2pgsql.define_area_table('polygons', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'geometry', projection = srid },
     { column = 'area', type = 'area' },
 })
 
 tables.routes = osm2pgsql.define_relation_table('routes', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'multilinestring', projection = srid },
 })
 
 tables.boundaries = osm2pgsql.define_relation_table('boundaries', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'multilinestring', projection = srid },
 })
 

flex-config/geometries.lua

@@ -1,28 +1,28 @@
 -- This config example file is released into the Public Domain.
 
--- This is a very simple Lua config for the Flex Backend not intended for
+-- This is a very simple Lua config for the Flex output not intended for
 -- real-world use. Look at and understand "simple.lua" first, before looking
 -- at this file. This file will show some options around geometry processing.
 -- After you have understood this file, go on to "data-types.lua".
 
 local tables = {}
 
 tables.pois = osm2pgsql.define_node_table('pois', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     -- Create a geometry column for point geometries. The geometry will be
     -- in web mercator, EPSG 3857.
     { column = 'geom', type = 'point' },
 })
 
 tables.ways = osm2pgsql.define_way_table('ways', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     -- Create a geometry column for linestring geometries. The geometry will
     -- be in latlong (WGS84), EPSG 4326.
     { column = 'geom', type = 'linestring', projection = 4326 },
 })
 
 tables.polygons = osm2pgsql.define_area_table('polygons', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'geometry' },
     -- The 'area' type is used to store the calculated area of a polygon
     -- feature. This can be used in style sheets to only render larger polygons
@@ -34,7 +34,7 @@ tables.polygons = osm2pgsql.define_area_table('polygons', {
 
 tables.boundaries = osm2pgsql.define_relation_table('boundaries', {
     { column = 'type', type = 'text' },
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     -- Boundaries will be stitched together from relation members into long
     -- linestrings. This is a multilinestring column because sometimes the
     -- boundaries are not contiguous.

flex-config/route-relations.lua

@@ -12,15 +12,15 @@
 local tables = {}
 
 tables.highways = osm2pgsql.define_way_table('highways', {
-    { column = 'tags',     type = 'hstore' },
+    { column = 'tags',     type = 'jsonb' },
     { column = 'rel_refs', type = 'text' }, -- for the refs from the relations
     { column = 'rel_ids',  type = 'int8[]' }, -- array with integers (for relation IDs)
     { column = 'geom',     type = 'linestring' },
 })
 
 -- Tables don't have to have a geometry column
 tables.routes = osm2pgsql.define_relation_table('routes', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
 })
 
 -- This will be used to store information about relations queryable by member

flex-config/simple.lua

@@ -1,6 +1,6 @@
 -- This config example file is released into the Public Domain.
 
--- This is a very simple Lua config for the Flex Backend not intended for
+-- This is a very simple Lua config for the Flex output not intended for
 -- real-world use. Use it do understand the basic principles of the
 -- configuration. After reading and understanding this, have a look at
 -- "geometries.lua".
@@ -24,7 +24,7 @@ local tables = {}
 -- "append" mode, osm2pgsql will automatically update this table using the node
 -- ids.
 tables.pois = osm2pgsql.define_node_table('pois', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'point' }, -- will be something like `GEOMETRY(Point, 4326)` in SQL
 })
 
@@ -40,7 +40,7 @@ tables.restaurants = osm2pgsql.define_node_table('restaurants', {
 -- contain a "way_id" column. When running in "append" mode, osm2pgsql will
 -- automatically update this table using the way ids.
 tables.ways = osm2pgsql.define_way_table('ways', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     { column = 'geom', type = 'linestring' },
 })
 
@@ -50,7 +50,7 @@ tables.ways = osm2pgsql.define_way_table('ways', {
 -- running in "append" mode, osm2pgsql will automatically update this table
 -- using the way/relation ids.
 tables.polygons = osm2pgsql.define_area_table('polygons', {
-    { column = 'tags', type = 'hstore' },
+    { column = 'tags', type = 'jsonb' },
     -- The type of the `geom` column is `geometry`, because we need to store
     -- polygons AND multipolygons
     { column = 'geom', type = 'geometry' },
@@ -95,7 +95,7 @@ function osm2pgsql.process_node(object)
         })
     else
         tables.pois:add_row({
-            -- We know `tags` is of type `hstore` so this will do the
+            -- We know `tags` is of type `jsonb` so this will do the
             -- right thing.
             tags = object.tags
         })

flex-config/unitable.lua

@@ -12,8 +12,8 @@ local dtable = osm2pgsql.define_table{
     -- "osm_type CHAR(1)" for the type of object: N(ode), W(way), R(relation)
     ids = { type = 'any', id_column = 'osm_id', type_column = 'osm_type' },
     columns = {
-        { column = 'attrs', type = 'hstore' },
-        { column = 'tags',  type = 'hstore' },
+        { column = 'attrs', type = 'jsonb' },
+        { column = 'tags',  type = 'jsonb' },
         { column = 'geom',  type = 'geometry' },
     }
 }

flex-config/with-schema.lua

@@ -7,7 +7,7 @@
 -- your database (created with something like `CREATE SCHEMA myschema;`).
 
 local dtable = osm2pgsql.define_way_table('data', {
-        { column = 'tags',  type = 'hstore' },
+        { column = 'tags',  type = 'jsonb' },
         { column = 'geom',  type = 'geometry' },
     }, { schema = 'myschema' })