Hi,
PAF patch for exclusion constraint.
Note: This patch has dependency on Table, Column node and Index constraint
(I'll be sending patch for index constraint immediately after this).
--
*Harshal Dhumal*
*Software Engineer *
EenterpriseDB <http://www.enterprisedb.com>
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/__init__.py b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/__init__.py
new file mode 100644
index 0000000..d6a174f
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/__init__.py
@@ -0,0 +1,918 @@
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2016, The pgAdmin Development Team
+# This software is released under the PostgreSQL Licence
+#
+##########################################################################
+
+"""Implements Exclusion constraint Node"""
+
+import json
+from flask import render_template, make_response, request, jsonify
+from flask.ext.babel import gettext as _
+from pgadmin.utils.ajax import make_json_response, \
+ make_response as ajax_response, internal_server_error
+from pgadmin.browser.utils import PGChildNodeView
+from pgadmin.utils.ajax import precondition_required
+from pgadmin.utils.driver import get_driver
+from config import PG_DEFAULT_DRIVER
+import pgadmin.browser.server_groups.servers.databases.schemas.tables as table
+from functools import wraps
+from pgadmin.browser.server_groups.servers.databases.schemas.tables.constraints.type \
+ import ConstraintRegistry, ConstraintTypeModule
+
+
+class ExclusionConstraintModule(ConstraintTypeModule):
+ """
+ class ForeignKeyConstraintModule(CollectionNodeModule)
+
+ A module class for Exclusion constraint node derived from ConstraintTypeModule.
+
+ Methods:
+ -------
+ * __init__(*args, **kwargs)
+ - Method is used to initialize the ForeignKeyConstraintModule and it's base module.
+
+ * get_nodes(gid, sid, did)
+ - Method is used to generate the browser collection node.
+
+ * node_inode()
+ - Method is overridden from its base class to make the node as leaf node.
+
+ * script_load()
+ - Load the module script for language, when any of the database node is
+ initialized.
+ """
+
+ NODE_TYPE = 'exclusion_constraint'
+ COLLECTION_LABEL = _("Foreign Keys")
+
+ def __init__(self, *args, **kwargs):
+ """
+ Method is used to initialize the ForeignKeyConstraintModule and it's base module.
+
+ Args:
+ *args:
+ **kwargs:
+
+ Returns:
+
+ """
+ self.min_ver = None
+ self.max_ver = None
+ super(ExclusionConstraintModule, self).__init__(*args, **kwargs)
+
+ def get_nodes(self, gid, sid, did, scid, tid):
+ """
+ Generate the collection node
+ """
+ pass
+
+ @property
+ def node_inode(self):
+ """
+ Override this property to make the node a leaf node.
+
+ Returns: False as this is the leaf node
+ """
+ return False
+
+ @property
+ def script_load(self):
+ """
+ Load the module script for exclusion_constraint, when any of the table node is
+ initialized.
+
+ Returns: node type of the server module.
+ """
+ return table.TableModule.NODE_TYPE
+
+blueprint = ExclusionConstraintModule(__name__)
+
+
+class ExclusionConstraintView(PGChildNodeView):
+ """
+ class ExclusionConstraintView(PGChildNodeView)
+
+ A view class for Exclusion constraint node derived from PGChildNodeView. This class is
+ responsible for all the stuff related to view like creating, updating Exclusion constraint
+ node, showing properties, showing sql in sql pane.
+
+ Methods:
+ -------
+ * __init__(**kwargs)
+ - Method is used to initialize the ForeignKeyConstraintView and it's base view.
+
+ * module_js()
+ - This property defines (if javascript) exists for this node.
+ Override this property for your own logic
+
+ * check_precondition()
+ - This function will behave as a decorator which will checks
+ database connection before running view, it will also attaches
+ manager,conn & template_path properties to self
+
+ * end_transaction()
+ - To end any existing database transaction.
+
+ * list()
+ - This function returns Exclusion constraint nodes within that
+ collection as http response.
+
+ * get_list()
+ - This function is used to list all the language nodes within that collection
+ and return list of Exclusion constraint nodes.
+
+ * nodes()
+ - This function returns child node within that collection.
+ Here return all Exclusion constraint node as http response.
+
+ * get_nodes()
+ - returns all Exclusion constraint nodes' list.
+
+ * properties()
+ - This function will show the properties of the selected Exclusion.
+
+ * update()
+ - This function will update the data for the selected Exclusion.
+
+ * msql()
+ - This function is used to return modified SQL for the selected Exclusion.
+
+ * get_sql()
+ - This function will generate sql from model data.
+
+ * sql():
+ - This function will generate sql to show it in sql pane for the selected Exclusion.
+
+ * get_access_methods():
+ - Returns access methods for exclusion constraint.
+
+ * get_oper_class():
+ - Returns operator classes for selected access method.
+
+ * get_operator():
+ - Returns operators for selected column.
+
+ """
+
+ node_type = 'exclusion_constraint'
+
+ parent_ids = [
+ {'type': 'int', 'id': 'gid'},
+ {'type': 'int', 'id': 'sid'},
+ {'type': 'int', 'id': 'did'},
+ {'type': 'int', 'id': 'scid'},
+ {'type': 'int', 'id': 'tid'}
+ ]
+ ids = [{'type': 'int', 'id': 'exid'}
+ ]
+
+ operations = dict({
+ 'obj': [
+ {'get': 'properties', 'delete': 'delete', 'put': 'update'},
+ {'get': 'list', 'post': 'create'}
+ ],
+ 'delete': [{'delete': 'delete'}],
+ 'children': [{'get': 'children'}],
+ 'nodes': [{'get': 'node'}, {'get': 'nodes'}],
+ 'sql': [{'get': 'sql'}],
+ 'msql': [{'get': 'msql'}, {'get': 'msql'}],
+ 'stats': [{'get': 'statistics'}],
+ 'module.js': [{}, {}, {'get': 'module_js'}],
+ 'get_access_methods': [{}, {'get': 'get_access_methods'}],
+ 'get_oper_class': [{}, {'get': 'get_oper_class'}],
+ 'get_operator': [{}, {'get': 'get_operator'}]
+ })
+
+ def module_js(self):
+ """
+ This property defines (if javascript) exists for this node.
+ Override this property for your own logic.
+ """
+ return make_response(
+ render_template(
+ "exclusion_constraint/js/exclusion_constraint.js",
+ _=_
+ ),
+ 200, {'Content-Type': 'application/x-javascript'}
+ )
+
+ def check_precondition(f):
+ """
+ This function will behave as a decorator which will checks
+ database connection before running view, it will also attaches
+ manager,conn & template_path properties to self
+ """
+ @wraps(f)
+ def wrap(*args, **kwargs):
+ # Here args[0] will hold self & kwargs will hold gid,sid,did
+ self = args[0]
+ self.manager = get_driver(PG_DEFAULT_DRIVER).connection_manager(
+ kwargs['sid']
+ )
+ self.conn = self.manager.connection(did=kwargs['did'])
+
+ # If DB not connected then return error to browser
+ if not self.conn.connected():
+ return precondition_required(
+ _(
+ "Connection to the server has been lost!"
+ )
+ )
+
+ self.template_path = 'exclusion_constraint/sql'
+ # We need parent's name eg table name and schema name
+ SQL = render_template("/".join([self.template_path,
+ 'get_parent.sql']),
+ tid=kwargs['tid'])
+ status, rset = self.conn.execute_2darray(SQL)
+ if not status:
+ return internal_server_error(errormsg=rset)
+
+ for row in rset['rows']:
+ self.schema = row['schema']
+ self.table = row['table']
+ return f(*args, **kwargs)
+
+ return wrap
+
+ def end_transaction(self):
+ SQL = render_template(
+ "/".join([self.template_path, 'end.sql']))
+ # End transaction if any.
+ self.conn.execute_scalar(SQL)
+
+ @check_precondition
+ def properties(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function is used to list all the Exclusion constraint
+ nodes within that collection.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ try:
+ sql = render_template("/".join([self.template_path, 'properties.sql']),
+ tid=tid, exid=exid)
+
+ status, res = self.conn.execute_dict(sql)
+
+ if not status:
+ return internal_server_error(errormsg=res)
+
+ result = res['rows'][0]
+
+ sql = render_template(
+ "/".join([self.template_path, 'get_constraint_cols.sql']),
+ cid=exid,
+ colcnt=result['indnatts'])
+ status, res = self.conn.execute_dict(sql)
+
+ if not status:
+ return internal_server_error(errormsg=res)
+
+ columns = []
+ for row in res['rows']:
+ if row['options'] & 1:
+ order = False
+ nulls_order = True if (row['options'] & 2) else False
+ else:
+ order = True
+ nulls_order = True if (row['options'] & 2) else False
+
+ columns.append({"column": row['coldef'].strip('"'),
+ "oper_class": row['opcname'],
+ "order": order,
+ "nulls_order": nulls_order,
+ "operator": row['oprname']
+ })
+
+ result['columns'] = columns
+
+ return ajax_response(
+ response=result,
+ status=200
+ )
+ except Exception as e:
+ return internal_server_error(errormsg=str(e))
+
+ @check_precondition
+ def list(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function returns all exclusion constraints
+ nodes within that collection as a http response.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ try:
+ res = self.get_node_list(gid, sid, did, scid, tid, exid)
+ return ajax_response(
+ response=res,
+ status=200
+ )
+ except Exception as e:
+ return internal_server_error(errormsg=str(e))
+
+ @check_precondition
+ def get_node_list(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function returns all exclusion constraints
+ nodes within that collection as a list.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ SQL = render_template("/".join([self.template_path,
+ 'properties.sql']),
+ tid=tid)
+ status, res = self.conn.execute_dict(SQL)
+
+ return res['rows']
+
+ @check_precondition
+ def nodes(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function returns all Exclusion constraint nodes as a
+ http response.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ try:
+ res = self.get_nodes(gid, sid, did, scid, tid, exid)
+ return make_json_response(
+ data=res,
+ status=200
+ )
+ except Exception as e:
+ return internal_server_error(errormsg=str(e))
+
+ @check_precondition
+ def get_nodes(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function returns all Exclusion constraint nodes as a list.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ res = []
+ SQL = render_template("/".join([self.template_path,
+ 'nodes.sql']),
+ tid=tid)
+ status, rset = self.conn.execute_2darray(SQL)
+
+ for row in rset['rows']:
+ res.append(
+ self.blueprint.generate_browser_node(
+ row['oid'],
+ tid,
+ row['name'],
+ icon="icon-exclusion_constraint"
+ ))
+ return res
+
+ @check_precondition
+ def create(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function will create a Exclusion constraint.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ required_args = ['columns']
+
+ data = request.form if request.form else json.loads(request.data.decode())
+
+ for arg in required_args:
+ if arg not in data:
+ return make_json_response(
+ status=400,
+ success=0,
+ errormsg=_(
+ "Couldn't find required parameter (%s)." % str(arg)
+ )
+ )
+ elif isinstance(data[arg], list) and len(data[arg]) < 1:
+ return make_json_response(
+ status=400,
+ success=0,
+ errormsg=_(
+ "Couldn't find required parameter (%s)." % str(arg)
+ )
+ )
+
+ data['schema'] = self.schema
+ data['table'] = self.table
+ try:
+ if 'name' not in data or data['name'] == "":
+ SQL = render_template(
+ "/".join([self.template_path, 'begin.sql']))
+ # Start transaction.
+ status, res = self.conn.execute_scalar(SQL)
+ if not status:
+ self.end_transaction()
+ return internal_server_error(errormsg=res)
+
+ # The below SQL will execute CREATE DDL only
+ SQL = render_template(
+ "/".join([self.template_path, 'create.sql']),
+ data=data, conn=self.conn
+ )
+ status, res = self.conn.execute_scalar(SQL)
+ if not status:
+ self.end_transaction()
+ return internal_server_error(errormsg=res)
+
+ if 'name' not in data or data['name'] == "":
+ sql = render_template(
+ "/".join([self.template_path,
+ 'get_oid_with_transaction.sql']),
+ tid=tid)
+
+ status, res = self.conn.execute_dict(sql)
+ if not status:
+ self.end_transaction()
+ return internal_server_error(errormsg=res)
+
+ self.end_transaction()
+
+ data['name'] = res['rows'][0]['name']
+
+ else:
+ sql = render_template("/".join([self.template_path, 'get_oid.sql']), name=data['name'])
+ status, res = self.conn.execute_dict(sql)
+ if not status:
+ self.end_transaction()
+ return internal_server_error(errormsg=res)
+ if 'name' in data and data['name'] != '':
+ sql = render_template("/".join([self.template_path, 'grant.sql']), data=data, conn=self.conn)
+ sql = sql.strip('\n').strip(' ')
+
+ if sql != '':
+ status, result = self.conn.execute_scalar(sql)
+ if not status:
+ self.end_transaction()
+ return internal_server_error(errormsg=result)
+
+ return jsonify(
+ node=self.blueprint.generate_browser_node(
+ res['rows'][0]['oid'],
+ tid,
+ data['name'],
+ icon="icon-exclusion_constraint"
+ )
+ )
+
+ except Exception as e:
+ self.end_transaction()
+
+ return make_json_response(
+ status=400,
+ success=0,
+ errormsg=e
+ )
+
+ @check_precondition
+ def update(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function will update the data for the selected
+ Exclusion constraint.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ data = request.form if request.form else json.loads(request.data.decode())
+
+ try:
+ data['schema'] = self.schema
+ data['table'] = self.table
+ sql = self.get_sql(data, tid, exid)
+ sql = sql.strip('\n').strip(' ')
+ if sql != "":
+ status, res = self.conn.execute_scalar(sql)
+ if not status:
+ return internal_server_error(errormsg=res)
+
+ sql = render_template("/".join([self.template_path, 'get_oid.sql']), name=data['name'])
+ status, res = self.conn.execute_dict(sql)
+ if not status:
+ return internal_server_error(errormsg=res)
+
+ return make_json_response(
+ success=1,
+ info="Exclusion constraint updated",
+ data={
+ 'id': res['rows'][0]['oid'],
+ 'tid': tid,
+ 'scid': scid,
+ 'sid': sid,
+ 'gid': gid,
+ 'did': did,
+ }
+ )
+ else:
+ return make_json_response(
+ success=1,
+ info="Nothing to update",
+ data={
+ 'id': exid,
+ 'tid': tid,
+ 'scid': scid,
+ 'sid': sid,
+ 'gid': gid,
+ 'did': did
+ }
+ )
+
+ except Exception as e:
+ return internal_server_error(errormsg=str(e))
+
+ @check_precondition
+ def delete(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function will delete an existing Exclusion.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ # Below code will decide if it's simple drop or drop with cascade call
+ if self.cmd == 'delete':
+ # This is a cascade operation
+ cascade = True
+ else:
+ cascade = False
+ try:
+ sql = render_template("/".join([self.template_path, 'get_name.sql']),
+ cid=exid)
+ status, res = self.conn.execute_dict(sql)
+ if not status:
+ return internal_server_error(errormsg=res)
+
+ data = res['rows'][0]
+ data['schema'] = self.schema
+ data['table'] = self.table
+
+ sql = render_template("/".join([self.template_path, 'delete.sql']),
+ data=data,
+ cascade=cascade)
+ status, res = self.conn.execute_scalar(sql)
+ if not status:
+ return internal_server_error(errormsg=res)
+
+ return make_json_response(
+ success=1,
+ info=_("Exclusion constraint dropped."),
+ data={
+ 'id': exid,
+ 'sid': sid,
+ 'gid': gid,
+ 'did': did
+ }
+ )
+
+ except Exception as e:
+ return internal_server_error(errormsg=str(e))
+
+ @check_precondition
+ def msql(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function returns modified SQL for the selected
+ Exclusion constraint.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ data = {}
+ for k, v in request.args.items():
+ try:
+ data[k] = json.loads(v)
+ except ValueError:
+ data[k] = v
+
+ data['schema'] = self.schema
+ data['table'] = self.table
+ try:
+ sql = self.get_sql(data, tid, exid)
+ sql = sql.strip('\n').strip(' ')
+
+ return make_json_response(
+ data=sql,
+ status=200
+ )
+
+ except Exception as e:
+ return internal_server_error(errormsg=str(e))
+
+ def get_sql(self, data, tid, exid=None):
+ """
+ This function will generate sql from model data.
+
+ Args:
+ data: Contains the data of the selected Exclusion constraint.
+ tid: Table ID.
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ if exid is not None:
+ sql = render_template("/".join([self.template_path, 'properties.sql']),
+ tid=tid,
+ exid=exid)
+ status, res = self.conn.execute_dict(sql)
+ if not status:
+ return internal_server_error(errormsg=res)
+
+ old_data = res['rows'][0]
+ required_args = ['name']
+ for arg in required_args:
+ if arg not in data:
+ data[arg] = old_data[arg]
+
+ sql = render_template("/".join([self.template_path, 'update.sql']),
+ data=data, o_data=old_data)
+ else:
+ required_args = ['columns']
+
+ for arg in required_args:
+ if arg not in data:
+ return _('-- definition incomplete')
+ elif isinstance(data[arg], list) and len(data[arg]) < 1:
+ return _('-- definition incomplete')
+
+ sql = render_template("/".join([self.template_path, 'create.sql']),
+ data=data, conn=self.conn)
+ sql += "\n"
+ sql += render_template("/".join([self.template_path, 'grant.sql']),
+ data=data, conn=self.conn)
+
+ return sql
+
+ @check_precondition
+ def sql(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function generates sql to show in the sql pane for the selected
+ Exclusion constraint.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ try:
+ SQL = render_template(
+ "/".join([self.template_path, 'properties.sql']),
+ tid=tid, conn=self.conn, exid=exid)
+ status, result = self.conn.execute_dict(SQL)
+ if not status:
+ return internal_server_error(errormsg=result)
+
+ data = result['rows'][0]
+ data['schema'] = self.schema
+ data['table'] = self.table
+
+ sql = render_template(
+ "/".join([self.template_path, 'get_constraint_cols.sql']),
+ cid=exid,
+ colcnt=data['indnatts'])
+ status, res = self.conn.execute_dict(sql)
+
+ if not status:
+ return internal_server_error(errormsg=res)
+
+ columns = []
+ for row in res['rows']:
+ if row['options'] & 1:
+ order = False
+ nulls_order = True if (row['options'] & 2) else False
+ else:
+ order = True
+ nulls_order = True if (row['options'] & 2) else False
+
+ columns.append({"column": row['coldef'].strip('"'),
+ "oper_class": row['opcname'],
+ "order": order,
+ "nulls_order": nulls_order,
+ "operator": row['oprname']
+ })
+
+ data['columns'] = columns
+
+ if not data['amname'] or data['amname'] == '':
+ data['amname'] = 'btree'
+
+ SQL = render_template(
+ "/".join([self.template_path, 'create.sql']), data=data)
+ SQL += "\n"
+ SQL += render_template(
+ "/".join([self.template_path, 'grant.sql']),
+ data=data, conn=self.conn)
+
+ sql_header = "-- Constraint: {0}\n\n-- ".format(data['name'])
+
+ sql_header += render_template(
+ "/".join([self.template_path, 'delete.sql']),
+ data=data)
+ sql_header += "\n"
+
+ SQL = sql_header + SQL
+
+ return ajax_response(response=SQL)
+
+ except Exception as e:
+ return internal_server_error(errormsg=str(e))
+
+ @check_precondition
+ def get_access_methods(self, gid, sid, did, scid, tid, exid=None):
+ """
+ This function returns access methods.
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ res = [{'label': '', 'value': ''}]
+ sql = render_template("/".join([self.template_path,
+ 'get_access_methods.sql']))
+ status, rest = self.conn.execute_2darray(sql)
+
+ if not status:
+ return internal_server_error(errormsg=rest)
+
+ for row in rest['rows']:
+ res.append(
+ {'label': row['amname'], 'value': row['amname']}
+ )
+ return make_json_response(
+ data=res,
+ status=200
+ )
+
+
+ @check_precondition
+ def get_oper_class(self, gid, sid, did, scid, tid, exid=None):
+ """
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ data = request.args if request.args else None
+ try:
+ if data and 'indextype' in data:
+ SQL = render_template("/".join([self.template_path,
+ 'get_oper_class.sql']),
+ indextype=data['indextype'])
+
+ status, res = self.conn.execute_2darray(SQL)
+
+ if not status:
+ return internal_server_error(errormsg=res)
+ result = []
+ for row in res['rows']:
+ result.append([row['opcname'], row['opcname']])
+ return make_json_response(
+ data=result,
+ status=200
+ )
+ except Exception as e:
+ return internal_server_error(errormsg=str(e))
+
+
+ @check_precondition
+ def get_operator(self, gid, sid, did, scid, tid, exid=None):
+ """
+
+ Args:
+ gid: Server Group ID
+ sid: Server ID
+ did: Database ID
+ scid: Schema ID
+ tid: Table ID
+ exid: Exclusion constraint ID
+
+ Returns:
+
+ """
+ data = request.args if request.args else None
+ try:
+ if data and 'col' in data:
+ SQL = render_template("/".join([self.template_path,
+ 'get_operator.sql']),
+ col=data['col'],
+ tid=tid)
+
+ status, res = self.conn.execute_2darray(SQL)
+
+ if not status:
+ return internal_server_error(errormsg=res)
+ result = []
+ for row in res['rows']:
+ result.append([row['oprname'], row['oprname']])
+ return make_json_response(
+ data=result,
+ status=200
+ )
+ except Exception as e:
+ return internal_server_error(errormsg=str(e))
+
+constraint = ConstraintRegistry(
+ 'exclusion_constraint', ExclusionConstraintModule, ExclusionConstraintView
+ )
+ExclusionConstraintView.register_node_view(blueprint)
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/static/img/exclusion_constraint.png b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/static/img/exclusion_constraint.png
new file mode 100644
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diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/js/exclusion_constraint.js b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/js/exclusion_constraint.js
new file mode 100644
index 0000000..fa2ab96
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/js/exclusion_constraint.js
@@ -0,0 +1,580 @@
+define(
+ ['jquery', 'underscore', 'underscore.string', 'pgadmin',
+ 'pgadmin.browser', 'alertify', 'pgadmin.browser.collection'],
+function($, _, S, pgAdmin, pgBrowser, Alertify) {
+
+ var ExclusionConstraintColumnModel = pgBrowser.Node.Model.extend({
+ defaults: {
+ column: undefined,
+ oper_class: undefined,
+ order: undefined,
+ nulls_order: undefined,
+ operator:undefined
+ },
+ schema: [
+ {
+ id: 'column', label:'{{ _('Column') }}', type:'text', editable: false,
+ cell:'string'
+ },{
+ id: 'oper_class', label:'{{ _('Operator class') }}', type:'text',
+ node: 'exclusion_constraint', url: 'get_oper_class', first_empty: true,
+ disabled: function(m) {
+ if (!m.top.isNew()) {
+ return true;
+ }
+
+ if (m.collection) {
+ var indexType = m.collection.top.get('amname')
+ return !(indexType == 'btree' || _.isUndefined(indexType) ||
+ _.isNull(indexType) || indexType == '');
+ } else {
+ return false;
+ }
+ },
+ select2: {
+ allowClear: true, width: 'style',
+ placeholder: 'Select operator class'
+ }, cell: Backgrid.Extension.Select2Cell.extend({
+ initialize: function () {
+ Backgrid.Extension.Select2Cell.prototype.initialize.apply(this, arguments);
+
+ var self = this,
+ url = self.column.get('url') || self.defaults.url,
+ m = self.model,
+ indextype = self.model.collection.handler.get('amname');
+
+ if (url && (indextype == 'btree' || _.isUndefined(indextype) ||
+ _.isNull(indextype) || indextype == '')) {
+ var node = this.column.get('schema_node'),
+ eventHandler = m.top || m,
+ node_info = this.column.get('node_info'),
+ full_url = node.generate_url.apply(
+ node, [
+ null, url, this.column.get('node_data'),
+ this.column.get('url_with_id') || false, node_info
+ ]),
+ data = [];
+
+ indextype = 'btree';
+
+ if (this.column.get('version_compatible')) {
+ eventHandler.trigger('pgadmin:view:fetching', m, self.column);
+ $.ajax({
+ async: false,
+ data : {indextype:indextype},
+ url: full_url,
+ success: function(res) {
+ data = res.data;
+ },
+ error: function() {
+ eventHandler.trigger('pgadmin:view:fetch:error', m, self.column);
+ }
+ });
+ eventHandler.trigger('pgadmin:view:fetched', m, self.column);
+ }
+ /*
+ * Transform the data
+ */
+ transform = self.column.get('transform') || self.defaults.transform;
+ if (transform && _.isFunction(transform)) {
+ // We will transform the data later, when rendering.
+ // It will allow us to generate different data based on the
+ // dependencies.
+ self.column.set('options', transform.bind(self, data));
+ } else {
+ self.column.set('options', data);
+ }
+ } else {
+ self.column.set('options', []);
+ }
+ }
+ })
+ },{
+ id: 'order', label:'{{ _('DESC') }}', type: 'switch',
+ options: {
+ onText: 'ASC',
+ offText: 'DESC',
+ },disabled: function(m) {
+ return !m.top.isNew();
+ }
+ },{
+ id: 'nulls_order', label:'{{ _('NULLs order') }}', type:"switch",
+ options: {
+ onText: 'FIRST',
+ offText: 'LAST',
+ },disabled: function(m) {
+ return !m.top.isNew();
+ }
+ },{
+ id: 'operator', label:'{{ _('Operator') }}', type: 'text',
+ node: 'exclusion_constraint', url: 'get_operator', first_empty: false,
+ disabled: function(m) {
+ return !m.top.isNew();
+ },
+ select2: {
+ allowClear: false, width: 'style',
+ }, cell: Backgrid.Extension.Select2Cell.extend({
+ initialize: function () {
+ Backgrid.Extension.Select2Cell.prototype.initialize.apply(this, arguments);
+
+ var self = this,
+ url = self.column.get('url') || self.defaults.url,
+ m = self.model,
+ col = self.model.get('column');
+
+ if (url && !_.isUndefined(col) && !_.isNull(col) && col != '') {
+ var node = this.column.get('schema_node'),
+ eventHandler = m.top || m,
+ node_info = this.column.get('node_info'),
+ full_url = node.generate_url.apply(
+ node, [
+ null, url, this.column.get('node_data'),
+ this.column.get('url_with_id') || false, node_info
+ ]),
+ data = [];
+
+ if (this.column.get('version_compatible')) {
+ eventHandler.trigger('pgadmin:view:fetching', m, self.column);
+ $.ajax({
+ async: false,
+ data : {col:col},
+ url: full_url,
+ success: function(res) {
+ data = res.data;
+ },
+ error: function() {
+ eventHandler.trigger('pgadmin:view:fetch:error', m, self.column);
+ }
+ });
+ eventHandler.trigger('pgadmin:view:fetched', m, self.column);
+ }
+ /*
+ * Transform the data
+ */
+ transform = self.column.get('transform') || self.defaults.transform;
+ if (transform && _.isFunction(transform)) {
+ // We will transform the data later, when rendering.
+ // It will allow us to generate different data based on the
+ // dependencies.
+ self.column.set('options', transform.bind(self, data));
+ } else {
+ self.column.set('options', data);
+ }
+ } else {
+ self.column.set('options', []);
+ }
+ }
+ })
+ }
+ ],
+ validate: function() {
+ var err = {},
+ errmsg = null,
+ data = this.toJSON();
+
+ if (_.isUndefined(data.operator) ||
+ _.isNull(data.operator) ||
+ String(data.operator).replace(/^\s+|\s+$/g, '') == '') {
+ return _("Please specify value for operator.");
+ }
+ return null;
+ }
+ });
+
+ var ExclusionConstraintColumnControl = Backform.ExclusionConstraintColumnControl =
+ Backform.UniqueColCollectionControl.extend({
+
+ initialize: function(opts) {
+ Backform.UniqueColCollectionControl.prototype.initialize.apply(
+ this, arguments
+ );
+
+ var self = this,
+ node = self.field.get('node').type,
+ headerSchema = [{
+ id: 'column', label:'', type:'text',
+ node: 'column', control: Backform.NodeListByNameControl,
+ cache_level: 'server', canAdd: function(m) {
+ return m.isNew();
+ },
+ select2: {
+ allowClear: false, width: 'style',
+ placeholder: 'Select column'
+ }, first_empty: !self.model.isNew(),
+ disabled: function(m) {
+ return !self.model.isNew();
+ }
+ }],
+ headerDefaults = {column: null,
+ oper_class: null,
+ order:false,
+ nulls_order:false,
+ operator:null},
+
+ gridCols = ['column', 'oper_class', 'order', 'nulls_order', 'operator'];
+
+ self.headerData = new (Backbone.Model.extend({
+ defaults: headerDefaults,
+ schema: headerSchema
+ }))({});
+
+ var headerGroups = Backform.generateViewSchema(
+ self.field.get('node_info'), self.headerData, 'create',
+ node, self.field.get('node_data')
+ ),
+ fields = [];
+
+ _.each(headerGroups, function(o) {
+ fields = fields.concat(o.fields);
+ });
+
+ self.headerFields = new Backform.Fields(fields);
+ self.gridSchema = Backform.generateGridColumnsFromModel(
+ self.field.get('node_info'), self.field.get('model'), 'edit', gridCols, self.field.get('schema_node')
+ );
+
+ self.controls = [];
+ self.listenTo(self.headerData, "change", self.headerDataChanged);
+ self.listenTo(self.headerData, "select2", self.headerDataChanged);
+ self.listenTo(self.collection, "add", self.onAddorRemoveColumns);
+ self.listenTo(self.collection, "remove", self.onAddorRemoveColumns);
+ },
+
+ generateHeader: function(data) {
+ var header = [
+ '<div class="subnode-header-form">',
+ ' <div class="container-fluid">',
+ ' <div class="row">',
+ ' <div class="col-md-4">',
+ ' <label class="control-label"><%-column_label%></label>',
+ ' </div>',
+ ' <div class="col-md-4" header="column"></div>',
+ ' <div class="col-md-4">',
+ ' <button class="btn-sm btn-default add" <%=canAdd ? "" : "disabled=\'disabled\'"%> ><%-add_label%></buttton>',
+ ' </div>',
+ ' </div>',
+ ' </div>',
+ '</div>',].join("\n")
+
+ _.extend(data, {
+ column_label: '{{ _('Column')}}',
+ add_label: '{{ _('ADD')}}'
+ });
+
+ var self = this,
+ headerTmpl = _.template(header),
+ $header = $(headerTmpl(data)),
+ controls = this.controls;
+
+ this.headerFields.each(function(field) {
+ var control = new (field.get("control"))({
+ field: field,
+ model: self.headerData
+ });
+
+ $header.find('div[header="' + field.get('name') + '"]').append(
+ control.render().$el
+ );
+
+ controls.push(control);
+ });
+
+ // We should not show add but in properties mode
+ if (data.mode == 'properties') {
+ $header.find("button.add").remove();
+ }
+
+ self.$header = $header;
+
+ return $header;
+ },
+
+ events: _.extend(
+ {}, Backform.UniqueColCollectionControl.prototype.events,
+ {'click button.add': 'addColumns'}
+ ),
+
+ showGridControl: function(data) {
+
+ var self = this,
+ titleTmpl = _.template([
+ "<div class='subnode-header'>",
+ "<label class='control-label'><%-label%></label>",
+ "</div>"].join("\n")),
+ $gridBody =
+ $("<div class='pgadmin-control-group backgrid form-group col-xs-12 object subnode'></div>").append(
+ titleTmpl({label: data.label})
+ );
+ if (self.model.isNew()) {
+ self.collection.reset();
+ }
+
+ $gridBody.append(self.generateHeader(data));
+
+ var gridColumns = _.clone(this.gridSchema.columns);
+
+ // Insert Delete Cell into Grid
+ if (data.disabled == false && data.canDelete) {
+ gridColumns.unshift({
+ name: "pg-backform-delete", label: "",
+ cell: Backgrid.Extension.DeleteCell,
+ editable: false, cell_priority: -1
+ });
+ }
+
+ if (self.grid) {
+ self.grid.remove();
+ self.grid.null;
+ }
+ // Initialize a new Grid instance
+ var grid = self.grid = new Backgrid.Grid({
+ columns: gridColumns,
+ collection: self.collection,
+ className: "backgrid table-bordered"
+ });
+ self.$grid = grid.render().$el;
+
+ $gridBody.append(self.$grid);
+
+ setTimeout(function() {
+ self.headerData.set({
+ 'column': self.$header.find(
+ 'div[header="column"] select'
+ ).val()
+ }, {silent:true}
+ );
+ }, 10);
+
+ // Render node grid
+ return $gridBody;
+ },
+
+ headerDataChanged: function() {
+ var self = this, val,
+ data = this.headerData.toJSON(),
+ inSelected = false,
+ checkVars = ['column'];
+
+ if (!self.$header) {
+ return;
+ }
+
+ if (self.control_data.canAdd) {
+ self.collection.each(function(m) {
+ if (!inSelected) {
+ _.each(checkVars, function(v) {
+ if (!inSelected) {
+ val = m.get(v);
+ inSelected = ((
+ (_.isUndefined(val) || _.isNull(val)) &&
+ (_.isUndefined(data[v]) || _.isNull(data[v]))
+ ) ||
+ (val == data[v]));
+ }
+ });
+ }
+ });
+ }
+ else {
+ inSelected = true;
+ }
+
+ self.$header.find('button.add').prop('disabled', inSelected);
+ },
+
+ addColumns: function(ev) {
+ ev.preventDefault();
+ var self = this,
+ column = self.headerData.get('column');
+
+ if (!column || column == '') {
+ return false;
+ }
+
+ var m = new (self.field.get('model'))(
+ self.headerData.toJSON()),
+ coll = self.model.get(self.field.get('name'));
+
+ coll.add(m);
+
+ var idx = coll.indexOf(m);
+
+ // idx may not be always > -1 because our UniqueColCollection may
+ // remove 'm' if duplicate value found.
+ if (idx > -1) {
+ self.$grid.find('.new').removeClass('new');
+
+ var newRow = self.grid.body.rows[idx].$el;
+
+ newRow.addClass("new");
+ $(newRow).pgMakeVisible('backform-tab');
+ } else {
+ delete m;
+ }
+
+ return false;
+ },
+
+ onAddorRemoveColumns: function() {
+ var self = this;
+
+ // Wait for collection to be updated before checking for the button to be
+ // enabled, or not.
+ setTimeout(function() {
+ self.headerDataChanged();
+ }, 10);
+ },
+
+ remove: function() {
+ /*
+ * Stop listening the events registered by this control.
+ */
+ this.stopListening(this.headerData, "change", this.headerDataChanged);
+ this.listenTo(this.headerData, "select2", this.headerDataChanged);
+ this.listenTo(this.collection, "remove", this.onAddorRemoveColumns);
+
+ ExclusionConstraintColumnControl.__super__.remove.apply(this, arguments);
+
+ // Remove the header model
+ delete (this.headerData);
+
+ }
+ });
+
+ // Extend the browser's node class for exclusion constraint node
+ if (!pgBrowser.Nodes['exclusion_constraint']) {
+ pgAdmin.Browser.Nodes['exclusion_constraint'] = pgBrowser.Node.extend({
+ type: 'exclusion_constraint',
+ label: '{{ _('Exclusion constraint') }}',
+ collection_type: 'coll-constraints',
+ hasSQL: true,
+ parent_type: 'table',
+ canDrop: true,
+ canDropCascade: true,
+ hasDepends: true,
+ Init: function() {
+ /* Avoid multiple registration of menus */
+ if (this.initialized)
+ return;
+
+ this.initialized = true;
+
+ pgBrowser.add_menus([{
+ name: 'create_exclusion_constraint_on_coll', node: 'coll-constraints', module: this,
+ applies: ['object', 'context'], callback: 'show_obj_properties',
+ category: 'create', priority: 4, label: '{{ _('Exclusion constraint...') }}',
+ icon: 'wcTabIcon icon-exclusion_constraint', data: {action: 'create', check: true},
+ enable: 'canCreate'
+ }]);
+ },
+ is_not_valid: function(node) {
+ return (node && !node.valid);
+ },
+ // Define the model for exclusion constraint node
+ model: pgAdmin.Browser.Node.Model.extend({
+ defaults: {
+ name: undefined,
+ oid: undefined,
+ comment: undefined,
+ spcname: "pg_default",
+ amname: "gist",
+ fillfactor: undefined,
+ condeferrable: undefined,
+ condeferred: undefined,
+ columns: []
+ },
+
+ // Define the schema for the exclusion constraint node
+ schema: [{
+ id: 'name', label: '{{ _('Name') }}', type: 'text',
+ mode: ['properties', 'create', 'edit']
+ },{
+ id: 'oid', label:'{{ _('OID') }}', cell: 'string',
+ type: 'text' , mode: ['properties']
+ },{
+ id: 'comment', label:'{{ _('Comment') }}', cell: 'string',
+ type: 'multiline', mode: ['properties', 'create', 'edit'],
+ deps:['name'], disabled:function(m) {
+ var name = m.get('name');
+ if (!(name && name != '')) {
+ setTimeout(function(){
+ m.set('comment', null);
+ },10);
+ return true;
+ } else {
+ return false;
+ }
+ }
+ },{
+ id: 'spcname', label: '{{ _('Tablespace') }}',
+ type: 'text', group: '{{ _('Definition') }}',
+ control: 'node-list-by-name', node: 'tablespace',
+ select2:{allowClear:false},
+ filter: function(m) {
+ // Don't show pg_global tablespace in selection.
+ if (m.label == "pg_global") return false;
+ else return true;
+ }
+ },{
+ id: 'amname', label: '{{ _('Access method') }}',
+ type: 'text', group: '{{ _('Definition') }}',
+ control: 'node-ajax-options', url:"get_access_methods",
+ select2:{allowClear:true},
+ disabled: function(m) {
+ return !m.isNew();
+ }
+ },{
+ id: 'fillfactor', label: '{{ _('Fill factor') }}',
+ type: 'int', group: '{{ _('Definition') }}', allowNull: true
+ },{
+ id: 'condeferrable', label: '{{ _('Deferrable') }}',
+ type: 'switch', group: '{{ _('Definition') }}', deps: ['index'],
+ disabled: function(m) {
+ return !m.isNew();
+ }
+ },{
+ id: 'condeferred', label: '{{ _('Deferred') }}',
+ type: 'switch', group: '{{ _('Definition') }}',
+ deps: ['condeferrable'],
+ disabled: function(m) {
+ return !m.isNew();
+ }
+ },{
+ id: 'constraint', label:'{{ _('Constraint') }}', cell: 'string',
+ type: 'multiline', mode: ['create', 'edit'],
+ group: '{{ _('Definition') }}', disabled: function(m) {
+ return !m.isNew();
+ }
+ },{
+ id: 'columns', label: '{{ _('Columns') }}',
+ type: 'collection', group: '{{ _('Columns') }}', disabled: false,
+ deps:['amname'],
+ canAdd: function(m) {
+ // We can't update columns of existing exclusion constraint.
+ return m.isNew();
+ }, canDelete: true,
+ control: ExclusionConstraintColumnControl,
+ model: ExclusionConstraintColumnModel,
+ disabled: function(m) {
+ return !m.isNew();
+ }
+ }
+ ],
+ validate: function() {
+ this.errorModel.clear();
+
+ var columns = this.get('columns');
+ if ((_.isUndefined(columns) || _.isNull(columns) || columns.length < 1)) {
+ var msg = '{{ _('Please specify columns.') }}';
+ this.errorModel.set('columns', msg);
+ return msg;
+ }
+
+ return null;
+ }
+ })
+ });
+ }
+
+ return pgBrowser.Nodes['exclusion_constraint'];
+});
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/begin.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/begin.sql
new file mode 100644
index 0000000..58bfee1
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/begin.sql
@@ -0,0 +1 @@
+BEGIN;
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/create.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/create.sql
new file mode 100644
index 0000000..c6a53cd
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/create.sql
@@ -0,0 +1,12 @@
+ALTER TABLE {{ conn|qtIdent(data.schema, data.table) }}
+ ADD{% if data.name %} CONSTRAINT {{ conn|qtIdent(data.name) }}{% endif%} EXCLUDE {% if data.amname and data.amname != '' %}USING {{data.amname}}{% endif %} (
+ {% for col in data.columns %}{% if loop.index != 1 %},
+ {% endif %}{{ conn|qtIdent(col.column)}} {% if col.oper_class and col.oper_class != '' %}{{col.oper_class}} {% endif%}{% if col.order %}ASC{% else %}DESC{% endif %} NULLS {% if col.nulls_order %}FIRST{% else %}LAST{% endif %} WITH {{col.operator}}{% endfor %}){% if data.fillfactor %}
+ WITH (FILLFACTOR={{data.fillfactor}}){% endif %}{% if data.spcname and data.spcname != "pg_default" %}
+
+ USING INDEX TABLESPACE {{ conn|qtIdent(data.spcname) }}{% endif %}
+{% if data.condeferrable %}
+
+ DEFERRABLE{% if data.condeferred %}
+ INITIALLY DEFERRED{% endif%}
+{% endif%}{% if data.constraint %} WHERE ({{data.constraint}}){% endif%};
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/delete.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/delete.sql
new file mode 100644
index 0000000..2096795
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/delete.sql
@@ -0,0 +1,3 @@
+{% if data %}
+ALTER TABLE {{ conn|qtIdent(data.schema, data.table) }} DROP CONSTRAINT {{ conn|qtIdent(data.name) }}{% if cascade%} CASCADE{% endif %};
+{% endif %}
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/end.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/end.sql
new file mode 100644
index 0000000..92d09d5
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/end.sql
@@ -0,0 +1 @@
+END;
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_access_methods.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_access_methods.sql
new file mode 100644
index 0000000..5d74057
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_access_methods.sql
@@ -0,0 +1,6 @@
+SELECT amname
+FROM pg_am
+WHERE EXISTS (SELECT 1
+ FROM pg_proc
+ WHERE oid=amgettuple)
+ORDER BY amname;
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_constraint_cols.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_constraint_cols.sql
new file mode 100644
index 0000000..f766a71
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_constraint_cols.sql
@@ -0,0 +1,19 @@
+{% for n in range(colcnt|int) %}
+{% if loop.index != 1 %}
+UNION
+{% endif %}
+SELECT
+ i.indoption[{{loop.index -1}}] AS options,
+ pg_get_indexdef(i.indexrelid, {{loop.index}}, true) AS coldef,
+ op.oprname,
+ CASE WHEN (o.opcdefault = FALSE) THEN o.opcname ELSE null END AS opcname
+,
+ coll.collname, nspc.nspname as collnspname
+FROM pg_index i
+JOIN pg_attribute a ON (a.attrelid = i.indexrelid AND attnum = {{loop.index}})
+LEFT OUTER JOIN pg_opclass o ON (o.oid = i.indclass[{{loop.index -1}}])
+LEFT OUTER JOIN pg_constraint c ON (c.conindid = i.indexrelid) LEFT OUTER JOIN pg_operator op ON (op.oid = c.conexclop[{{loop.index}}])
+LEFT OUTER JOIN pg_collation coll ON a.attcollation=coll.oid
+LEFT OUTER JOIN pg_namespace nspc ON coll.collnamespace=nspc.oid
+WHERE i.indexrelid = {{cid}}::oid
+{% endfor %}
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_name.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_name.sql
new file mode 100644
index 0000000..7aaa522
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_name.sql
@@ -0,0 +1,3 @@
+SELECT conname as name
+FROM pg_constraint ct
+WHERE ct.conindid = {{cid}}::oid
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_oid.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_oid.sql
new file mode 100644
index 0000000..168e13b
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_oid.sql
@@ -0,0 +1,4 @@
+SELECT ct.oid
+FROM pg_constraint ct
+WHERE contype='x' AND
+ct.conname = {{ name|qtLiteral }};
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_oid_with_transaction.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_oid_with_transaction.sql
new file mode 100644
index 0000000..abe636a
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_oid_with_transaction.sql
@@ -0,0 +1,6 @@
+SELECT ct.oid,
+ ct.conname as name,
+ NOT convalidated as convalidated
+FROM pg_constraint ct
+WHERE contype='f' AND
+ conrelid = {{tid}}::oid LIMIT 1;
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_oper_class.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_oper_class.sql
new file mode 100644
index 0000000..c6739d0
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_oper_class.sql
@@ -0,0 +1,7 @@
+SELECT opcname
+FROM pg_opclass opc,
+pg_am am
+WHERE opcmethod=am.oid AND
+ am.amname ={{indextype|qtLiteral}} AND
+ NOT opcdefault
+ORDER BY 1
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_operator.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_operator.sql
new file mode 100644
index 0000000..692a963
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_operator.sql
@@ -0,0 +1,9 @@
+SELECT DISTINCT op.oprname as oprname
+FROM pg_operator op
+LEFT OUTER JOIN pg_attribute att ON (op.oprleft=att.atttypid OR op.oprright=att.atttypid)
+WHERE oprcom > 0 AND
+ att.attrelid = {{tid}}::oid AND
+ att.attname = {{col|qtLiteral}} AND
+ att.attnum > 0 AND
+ att.attisdropped IS FALSE
+ORDER BY oprname
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_parent.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_parent.sql
new file mode 100644
index 0000000..a652857
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/get_parent.sql
@@ -0,0 +1,7 @@
+SELECT nsp.nspname AS schema,
+ rel.relname AS table
+FROM
+ pg_class rel
+JOIN pg_namespace nsp
+ON rel.relnamespace = nsp.oid::int
+WHERE rel.oid = {{tid}}::int
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/grant.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/grant.sql
new file mode 100644
index 0000000..0fb0ea5
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/grant.sql
@@ -0,0 +1,4 @@
+{% if data.comment %}
+COMMENT ON CONSTRAINT {{ conn|qtIdent(data.name) }} ON {{ conn|qtIdent(data.schema, data.table) }}
+ IS {{ data.comment|qtLiteral }};
+{% endif %}
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/nodes.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/nodes.sql
new file mode 100644
index 0000000..c67c40d
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/nodes.sql
@@ -0,0 +1,7 @@
+SELECT conindid as oid,
+ conname as name,
+ NOT convalidated as convalidated
+FROM pg_constraint ct
+WHERE contype='x' AND
+ conrelid = {{tid}}::oid
+ORDER BY conname
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/properties.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/properties.sql
new file mode 100644
index 0000000..3a1c897
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/properties.sql
@@ -0,0 +1,30 @@
+SELECT cls.oid,
+ cls.relname as name,
+ indnatts,
+ amname,
+ COALESCE(spcname, 'pg_default') as spcname,
+ CASE contype
+ WHEN 'p' THEN desp.description
+ WHEN 'u' THEN desp.description
+ WHEN 'x' THEN desp.description
+ ELSE des.description
+ END AS comment,
+ condeferrable,
+ condeferred,
+ substring(array_to_string(cls.reloptions, ',') from 'fillfactor=([0-9]*)') AS fillfactor
+FROM pg_index idx
+JOIN pg_class cls ON cls.oid=indexrelid
+JOIN pg_class tab ON tab.oid=indrelid
+LEFT OUTER JOIN pg_tablespace ta on ta.oid=cls.reltablespace
+JOIN pg_namespace n ON n.oid=tab.relnamespace
+JOIN pg_am am ON am.oid=cls.relam
+LEFT JOIN pg_depend dep ON (dep.classid = cls.tableoid AND dep.objid = cls.oid AND dep.refobjsubid = '0' AND dep.refclassid=(SELECT oid FROM pg_class WHERE relname='pg_constraint') AND dep.deptype='i')
+LEFT OUTER JOIN pg_constraint con ON (con.tableoid = dep.refclassid AND con.oid = dep.refobjid)
+LEFT OUTER JOIN pg_description des ON (des.objoid=cls.oid AND des.classoid='pg_class'::regclass)
+LEFT OUTER JOIN pg_description desp ON (desp.objoid=con.oid AND desp.objsubid = 0 AND desp.classoid='pg_constraint'::regclass)
+WHERE indrelid = {{tid}}::oid
+{% if cid %}
+AND cls.oid = {{cid}}::oid
+{% endif %}
+AND contype='x'
+ORDER BY cls.relname
\ No newline at end of file
diff --git a/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/update.sql b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/update.sql
new file mode 100644
index 0000000..d062e8b
--- /dev/null
+++ b/web/pgadmin/browser/server_groups/servers/databases/schemas/tables/constraints/exclusion_constraint/templates/exclusion_constraint/sql/update.sql
@@ -0,0 +1,22 @@
+{### SQL to update exclusion constraint object ###}
+{% if data %}
+{# ==== To update exclusion constraint name ==== #}
+{% if data.name != o_data.name %}
+ALTER TABLE {{ conn|qtIdent(data.schema, data.table) }}
+ RENAME CONSTRAINT {{ conn|qtIdent(o_data.name) }} TO {{ conn|qtIdent(data.name) }};
+{% endif %}
+{# ==== To update exclusion constraint tablespace ==== #}
+{% if data.spcname and data.spcname != o_data.spcname %}
+ALTER INDEX {{ conn|qtIdent(data.schema, data.name) }}
+ SET TABLESPACE {{ conn|qtIdent(data.spcname) }};
+{% endif %}
+{% if data.fillfactor and data.fillfactor != o_data.fillfactor %}
+ALTER INDEX {{ conn|qtIdent(data.schema, data.name) }}
+ SET (FILLFACTOR={{ data.fillfactor }});
+{% endif %}
+{# ==== To update exclusion constraint comments ==== #}
+{% if data.comment and data.comment != o_data.comment %}
+COMMENT ON CONSTRAINT {{ conn|qtIdent(data.name) }} ON {{ conn|qtIdent(data.schema, data.table) }}
+ IS {{ data.comment|qtLiteral }};
+{% endif %}
+{% endif %}
\ No newline at end of file
--
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