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gdbpg.py
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import gdb
PlanNodes = ['Result', 'Repeat', 'ModifyTable','Append', 'Sequence', 'Motion',
'AOCSScan', 'BitmapAnd', 'BitmapOr', 'Scan', 'SeqScan', 'TableScan',
'IndexScan', 'DynamicIndexScan', 'BitmapIndexScan',
'BitmapHeapScan', 'BitmapAppendOnlyScan', 'BitmapTableScan',
'DynamicTableScan', 'TidScan', 'SubqueryScan', 'FunctionScan',
'TableFunctionScan', 'ValuesScan', 'ExternalScan', 'AppendOnlyScan',
'Join', 'NestLoop', 'MergeJoin', 'HashJoin', 'ShareInputScan',
'Material', 'Sort', 'Agg', 'Window', 'Unique', 'Hash', 'SetOp',
'Limit', 'DML', 'SplitUpdate', 'AssertOp', 'RowTrigger',
'PartitionSelector' ]
def format_plan_tree(tree, indent=0):
'formats a plan (sub)tree, with custom indentation'
# if the pointer is NULL, just return (null) string
if (str(tree) == '0x0'):
return '-> (NULL)'
node_extra = ''
if is_a(tree, 'Scan') or is_a(tree, 'SeqScan') or is_a(tree, 'TableScan') or is_a(tree, 'IndexScan'):
scan = cast(tree, 'Scan')
node_extra += ' <scanrelid=%(scanrelid)s partIndex=%(partIndex)s partIndexPrintable=%(partIndexPrintable)s' % {
'scanrelid': scan['scanrelid'],
'partIndex': scan['partIndex'],
'partIndexPrintable': scan['partIndexPrintable'],
}
if is_a(tree, 'IndexScan'):
indexscan = cast(tree, 'IndexScan')
node_extra += ' indexid=%(indexid)s indexorderdir=%(indexorderdir)s' % {
'indexid': indexscan['indexid'],
'indexorderdir': indexscan['indexorderdir']
}
node_extra += '>\n'
if is_a(tree, 'HashJoin') or is_a(tree, 'Join') or is_a(tree, 'NestLoop') or is_a(tree, 'MergeJoin'):
join = cast(tree, 'Join')
node_extra += ' <jointype=%(jointype)s prefetch_inner=%(prefetch_inner)s>\n' % {
'jointype': join['jointype'],
'prefetch_inner': (int(join['prefetch_inner']) == 1),
}
if is_a(tree, 'Hash'):
hash = cast(tree, 'Hash')
node_extra += ' <rescannable=%(rescannable)s skewTable=%(skewTable)s skewColumn=%(skewColumn)s skewInherit=%(skewInherit)s skewColType=%(skewColType)s skewColTypmod=%(skewColTypmod)s>\n' %{
'rescannable': (int(hash['rescannable']) == 1),
'skewTable': hash['skewTable'],
'skewColumn': hash['skewColumn'],
'skewInherit': (int(hash['skewInherit']) == 1),
'skewColType': hash['skewColType'],
'skewColTypmod': hash['skewColTypmod'],
}
if is_a(tree, 'Sort'):
sort = cast(tree, 'Sort')
node_extra += ' <numCols=%(numCols)s noduplicates=%(noduplicates)s share_type=%(share_type)s share_id=%(share_id)s driver_slice=%(driver_slice)s nsharer=%(nsharer)s nsharer_xslice=%(nsharer_xslice)s>\n' % {
'numCols': sort['numCols'],
'noduplicates': (int(sort['noduplicates']) == 1),
'share_type': sort['share_type'],
'share_id': sort['share_id'],
'driver_slice': sort['driver_slice'],
'nsharer': sort['nsharer'],
'nsharer_xslice': sort['nsharer_xslice'],
}
if is_a(tree, 'SetOp'):
setop = cast(tree, 'SetOp')
node_extra += ' <cmd=%(cmd)s strategy=%(strategy)s numCols=%(numCols)s flagColIdx=%(flagColIdx)s firstFlag=%(firstFlag)s numGroups=%(numGroups)s>\n' % {
'cmd': setop['cmd'],
'strategy': setop['strategy'],
'numCols': setop['numCols'],
'flagColIdx': setop['flagColIdx'],
'firstFlag': setop['firstFlag'],
'numGroups': setop['numGroups']
}
if is_a(tree, 'Motion'):
motion= cast(tree, 'Motion')
node_extra += ' <motionType=%(motionType)s sendSorted=%(sendSorted)s motionID=%(motionID)s numOutputSegs=%(numOutputSegs)s outputSegIdx=%(outputSegIdx)s segidColIdx=%(segidColIdx)s nullsFirst=%(nullsFirst)s>\n' % {
'motionType': motion['motionType'],
'sendSorted': (int(motion['sendSorted']) == 1),
'motionID': motion['motionID'],
'numOutputSegs': motion['numOutputSegs'],
'outputSegIdx': motion['outputSegIdx'],
'segidColIdx': motion['segidColIdx'],
'nullsFirst': motion['nullsFirst'],
}
retval = '''\n-> %(type)s (cost=%(startup).3f...%(total).3f rows=%(rows)s width=%(width)s) id=%(plan_node_id)s\n''' % {
'type': format_type(tree['type']), # type of the Node
'node_extra': node_extra,
'startup': float(tree['startup_cost']), # startup cost
'total': float(tree['total_cost']), # total cost
'rows': str(tree['plan_rows']), # number of rows
'width': str(tree['plan_width']), # tuple width (no header)
'plan_node_id': str(tree['plan_node_id']),
}
retval += node_extra
retval += '''\ttarget list:
%(target)s''' % {
# format target list
'target': format_node_list(tree['targetlist'], 2, True)
}
if is_a(tree, 'IndexScan'):
indexscan = cast(tree, 'IndexScan')
if str(indexscan['indexqual']) != '0x0':
retval+='\n\tindexqual:\n%(indexqual)s' % {
'indexqual': format_node_list(indexscan['indexqual'], 2, True)
}
if (str(tree['initPlan']) != '0x0'):
retval +='''
\tinitPlan:
%(initPlan)s''' % {
'initPlan': format_node_list(tree['initPlan'], 2, True)
}
if (str(tree['qual']) != '0x0'):
retval +='''
\tqual:
%(qual)s''' % {
'qual': format_node_list(tree['qual'], 2, True)
}
if is_a(tree, 'Result'):
result = cast(tree, 'Result')
if str(result['resconstantqual']) != '0x0':
# Resconstant qual might be a list
if is_a(result['resconstantqual'], 'List'):
resconstantqual = cast(result['resconstantqual'], 'List')
else:
resconstantqual = result['resconstantqual']
retval+='''
\tresconstantqual:
%(resconstantqual)s''' % {
'resconstantqual': format_node(resconstantqual, 2)
}
if is_a(tree, 'HashJoin') or is_a(tree, 'Join') or is_a(tree, 'NestLoop') or is_a(tree, 'MergeJoin'):
join = cast(tree, 'Join')
if str(join['joinqual']) != '0x0':
retval+='''
\tjoinqual:
%(joinqual)s''' % {
'joinqual': format_node_list(join['joinqual'], 2, True)
}
if is_a(tree, 'HashJoin'):
hashjoin = cast(tree, 'HashJoin')
if str(hashjoin['hashclauses']) != '0x0':
retval += '\n\thashclauses:' \
retval += '\n%(hashclauses)s' % {
'hashclauses': format_node_list(hashjoin['hashclauses'], 2, True)
}
if str(hashjoin['hashqualclauses']) != '0x0':
retval += '\n\thashqualclauses:'
retval += '\n%(hashqualclauses)s' % {
'hashqualclauses': format_node_list(hashjoin['hashqualclauses'], 2, True)
}
if is_a(tree, 'Sort'):
append = cast(tree, 'Sort')
numcols = int(append['numCols'])
retval += '\n\tSort Indexes:\n'
index = ''
for col in range(0,numcols):
index += '[sortColIdx=%(sortColIdx)s sortOperator=%(sortOperator)s collation=%(collation)s, nullsFirst=%(nullsFirst)s]' % {
'sortColIdx': append['sortColIdx'][col],
'sortOperator': append['sortOperators'][col],
'collation': append['collations'][col],
'nullsFirst': append['nullsFirst'][col]
}
if col < numcols-1:
index += '\n'
retval += add_indent(index, 2)
if is_a(tree, 'SetOp'):
setop = cast(tree, 'SetOp')
numcols = int(setop['numCols'])
retval += '\n\tOperators:\n'
index = ''
for col in range(0,numcols):
index += '[dupColIdx=%(dupColIdx)s dupOperator=%(dupOperator)s]' % {
'dupColIdx': setop['dupColIdx'][col],
'dupOperator': setop['dupOperators'][col],
}
if col < numcols-1:
index += '\n'
retval += add_indent(index, 2)
if is_a(tree, 'FunctionScan'):
functionscan = cast(tree, 'FunctionScan')
if str(functionscan['funcexpr']) != '0x0':
# Resconstant qual might be a list
retval+='\n\tfuncexpr:\n%(funcexpr)s' % {
'funcexpr': format_node(functionscan['funcexpr'], 2)
}
if str(functionscan['funccolnames']) != '0x0':
# Resconstant qual might be a list
retval+='\n\tfunccolnames: %(funccolnames)s' % {
'funccolnames': format_node_list(functionscan['funccolnames'])
}
if str(functionscan['funccolcollations']) != '0x0':
# Resconstant qual might be a list
retval+='\n\tfunccolcollations:\n%(funccolcollations)s' % {
'funccolcollations': format_oid_list(functionscan['funccolcollations'])
}
if is_a(tree, 'Append'):
append = cast(tree, 'Append')
retval += '''
\t%(appendplans)s''' % {
# format Append subplans
'appendplans': format_appendplan_list(append['appendplans'], 0)
}
elif is_a(tree, 'SubqueryScan'):
subquery = cast(tree, 'SubqueryScan')
retval += '''
\t%(subplan)s''' % {
'subplan': format_plan_tree(subquery['subplan'], 0)
}
else:
# format all the important fields (similarly to EXPLAIN)
retval +='''
\t%(left)s
\t%(right)s''' % {
# left subtree
'left': format_plan_tree(tree['lefttree'], 0),
# right subtree
'right': format_plan_tree(tree['righttree'], 0)
}
return add_indent(retval, indent + 1)
def format_query_info(node, indent=0):
'formats a query node with custom indentation'
if (str(node) == '0x0'):
return add_indent('(NULL)', indent)
retval = ''' type: %(type)s
command type: %(commandType)s
query source: %(querySource)s
can set tag: %(canSetTag)s
range table:
%(rtable)s
jointree:
%(jointree)s
targetList:
%(targetList)s
returningList:
%(returningList)s
groupClause:
%(groupClause)s
havingQual:
%(havingQual)s
sortClause:
%(sortClause)s
constraintDeps: %(constraintDeps)s
''' % {
'type': format_type(node['type']),
'commandType': format_type(node['commandType']),
'querySource': format_type(node['querySource']),
'canSetTag': (int(node['canSetTag']) == 1),
'rtable': format_node_list(node['rtable'], 1, True),
'jointree': format_node(node['jointree']),
'targetList': format_node(node['targetList']),
'returningList': format_node(node['returningList']),
'groupClause': format_node_list(node['groupClause'], 0, True),
'havingQual': format_node(node['havingQual']),
'sortClause': format_node_list(node['sortClause'], 0, True),
'constraintDeps': format_node(node['constraintDeps']),
}
return add_indent(retval, 0)
def format_appendplan_list(lst, indent):
retval = format_node_list(lst, indent, True)
return add_indent(retval, indent + 1)
def format_alter_table_cmd(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
if (str(node['name']) == '0x0'):
name = '(NIL)'
else:
name = node['name']
retval = '''AlterTableCmd (subtype=%(subtype)s name=%(name)s behavior=%(behavior)s part_expanded=%(part_expanded)s)''' % {
'subtype': node['subtype'],
'name': name,
'behavior': node['behavior'],
'part_expanded': (int(node['part_expanded']) == 1)
}
if (str(node['def']) != '0x0'):
retval += '\n'
retval += add_indent('[definition] %s' % format_node(node['def']), 1)
#if (str(node['transform']) != '0x0'):
# retval += '\n'
# retval += add_indent('- [transform] %s' % format_node(node['transform']), 1)
#if (str(node['partoids']) != '0x0'):
# retval += '\n'
# retval += add_indent('- [partoids] %s' % format_oid_list(node['partoids']), 1)
return add_indent(retval, indent)
def format_alter_partition_cmd(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'AlterPartitionCmd (location=%(location)s)' % {
'location': node['location']
}
if (str(node['partid']) != '0x0'):
retval += '\n'
retval += add_indent('[partid] %s' % format_node(node['partid']), 1)
if (str(node['arg1']) != '0x0'):
retval += '\n'
retval += add_indent('[arg1] %s' % format_node(node['arg1']), 1)
if (str(node['arg2']) != '0x0'):
retval += '\n'
retval += add_indent('[arg2] %s' % format_node(node['arg2']), 1)
return add_indent(retval, indent)
def format_alter_partition_id(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'AlterPartitionId (idtype=%(idtype)s location=%(location)s)' % {
'idtype': node['idtype'],
'location': node['location']
}
if (str(node['partiddef']) != '0x0'):
if is_a(node['partiddef'], 'List'):
partdef = '\n[partiddef]\n'
partdef += add_indent('%s' % format_node_list(cast(node['partiddef'], 'List'), 0, True),1)
retval += add_indent(partdef, 1)
elif is_a(node['partiddef'], 'String'):
partdef = '\n[partiddef]'
partdef += add_indent('String: %s' % node['partiddef'], 1)
retval += add_indent(partdef, 1)
return add_indent(retval, indent)
def format_pg_part_rule(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'PgPartRule (partIdStr=%(partIdStr)s isName=%(isName)s topRuleRank=%(topRuleRank)s relname=%(relname)s)' % {
'partIdStr': node['partIdStr'],
'isName': (int(node['isName']) == 1),
'topRuleRank': node['topRuleRank'],
'relname': node['relname']
}
if (str(node['pNode']) != '0x0'):
retval += '\n'
retval += add_indent('[pNode] %s' % format_node(node['pNode']), 1)
if (str(node['topRule']) != '0x0'):
retval += '\n'
retval += add_indent('[topRule] %s' % format_node(node['topRule']), 1)
return add_indent(retval, indent)
def format_partition_node(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'PartitionNode'
if (str(node['part']) != '0x0'):
retval += '\n'
retval += add_indent('[part] %s' % format_node(node['part']), 1)
if (str(node['default_part']) != '0x0'):
retval += '\n'
retval += add_indent('[default_part] %s' % format_node(node['default_part']), 1)
if (str(node['rules']) != '0x0'):
retval += '\n'
retval += add_indent('[rules] %s' % format_node_list(node['rules'], 0, True), 1)
return add_indent(retval, indent)
def format_partition_elem(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'PartitionElem (partName=%(partName)s isDefault=%(isDefault)s AddPartDesc=%(AddPartDesc)s partno=%(partno)s rrand=%(rrand)s location=%(location)s)' % {
'partName': node['partName'],
'isDefault': (int(node['isDefault']) == 1),
'AddPartDesc': node['AddPartDesc'],
'partno': node['partno'],
'rrand': node['rrand'],
'location': node['location']
}
if (str(node['boundSpec']) != '0x0'):
retval += '\n'
retval += add_indent('[boundSpec] %s' % format_node(node['boundSpec']), 1)
if (str(node['subSpec']) != '0x0'):
retval += '\n'
retval += add_indent('[subSpec] %s' % format_node(node['subSpec']), 1)
if (str(node['storeAttr']) != '0x0'):
retval += '\n'
retval += add_indent('[storeAttr] %s' % format_node(node['storeAttr']), 1)
if (str(node['colencs']) != '0x0'):
retval += '\n'
retval += add_indent('[colencs] %s' % format_node_list(node['colencs'], 0, True), 1)
return add_indent(retval, indent)
def format_partition_bound_spec(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'PartitionBoundSpec (pWithTnameStr=%(pWithTnameStr)s location=%(location)s)' % {
'pWithTnameStr': node['pWithTnameStr'],
'location': node['location'],
}
if (str(node['partStart']) != '0x0'):
retval += '\n'
retval += add_indent('[partStart] %s' % format_node(node['partStart']), 1)
if (str(node['partEnd']) != '0x0'):
retval += '\n'
retval += add_indent('[partEnd] %s' % format_node(node['partEnd']), 1)
if (str(node['partEvery']) != '0x0'):
retval += '\n'
retval += add_indent('[partEvery] %s' % format_node(node['partEvery']), 1)
if (str(node['everyGenList']) != '0x0'):
retval += '\n'
retval += add_indent('[everyGenList] %s' % format_node_list(node['everyGenList'], 0, True), 1)
return add_indent(retval, indent)
def format_partition_range_item(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'PartitionRangeItem (partedge=%(partedge)s everycount=%(everycount)s location=%(location)s)' % {
'partedge': node['partedge'],
'everycount': node['everycount'],
'location': node['location'],
}
if (str(node['partRangeVal']) != '0x0'):
retval += '\n'
retval += add_indent('[partRangeVal] %s' % format_node_list(node['partRangeVal'], 0, True), 1)
return add_indent(retval, indent)
def format_partition(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'Partition (partid=%(partid)s parrelid=%(parrelid)s parkind=%(parkind)s parlevel=%(parlevel)s paristemplate=%(paristemplate)s parnatts=%(parnatts)s paratts=%(paratts)s parclass=%(parclass)s)' % {
'partid': node['partid'],
'parrelid': node['parrelid'],
'parkind': node['parkind'],
'parlevel': node['parlevel'],
'paristemplate': (int(node['paristemplate']) == 1),
'parnatts': node['parnatts'],
'paratts': node['paratts'],
'parclass': node['parclass']
}
return add_indent(retval, indent)
def format_type_cast(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'TypeCast (location=%(location)s)' % {
'location': node['location'],
}
if (str(node['typeName']) != '0x0'):
retval += '\n'
retval += add_indent('[typeName] %s' % format_node(node['typeName']), 1)
if (str(node['arg']) != '0x0'):
retval += '\n'
retval += add_indent('[arg] %s' % format_node(node['arg']), 1)
return add_indent(retval, indent)
def format_def_elem(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'DefElem (defnamespace=%(defnamespace)s defname=%(defname)s defaction=%(defaction)s)' % {
'defnamespace': node['defnamespace'],
'defname': node['defname'],
'defaction': node['defaction'],
}
if (str(node['arg']) != '0x0'):
retval += '\n'
retval += add_indent('[arg] %s' % format_node(node['arg']), 1)
return add_indent(retval, indent)
def format_type_name(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'TypeName (typeOid=%(typeOid)s timezone=%(timezone)s setof=%(setof)s pct_type=%(pct_type)s typemod=%(typemod)s location=%(location)s)' % {
'typeOid': node['typeOid'],
'timezone': (int(node['timezone']) == 1),
'setof': (int(node['setof']) == 1),
'pct_type': (int(node['pct_type']) == 1),
'typemod': node['typemod'],
'location': node['location'],
}
if (str(node['names']) != '0x0'):
retval += '\n'
retval += add_indent('[names] %s' % format_node(node['names']), 1)
if (str(node['typmods']) != '0x0'):
retval += '\n'
retval += add_indent('[typmods] %s' % format_node(node['typmods']), 1)
if (str(node['arrayBounds']) != '0x0'):
retval += '\n'
retval += add_indent('[arrayBounds] %s' % format_node(node['arrayBounds']), 1)
return add_indent(retval, indent)
def format_param(node, indent=0):
if (str(node) == '0x0'):
return '(NIL)'
retval = 'Param (paramkind=%(paramkind)s paramid=%(paramid)s paramtype=%(paramtype)s paramtypmod=%(paramtypmod)s location=%(location)s)' % {
'paramkind': node['paramkind'],
'paramid': node['paramid'],
'paramtype': node['paramtype'],
'paramtypmod': node['paramtypmod'],
'location': node['location']
}
return add_indent(retval, indent)
def format_type(t, indent=0):
'strip the leading T_ from the node type tag'
t = str(t)
if t.startswith('T_'):
t = t[2:]
return add_indent(t, indent)
def format_int_list(lst, indent=0):
'format list containing integer values directly (not warapped in Node)'
# handle NULL pointer (for List we return NIL
if (str(lst) == '0x0'):
return '(NIL)'
# we'll collect the formatted items into a Python list
tlist = []
item = lst['head']
# walk the list until we reach the last item
while str(item) != '0x0':
# get item from the list and just grab 'int_value as int'
tlist.append(int(item['data']['int_value']))
# next item
item = item['next']
return add_indent(str(tlist), indent)
def format_oid_list(lst, indent=0):
'format list containing Oid values directly (not warapped in Node)'
# handle NULL pointer (for List we return NIL)
if (str(lst) == '0x0'):
return '(NIL)'
# we'll collect the formatted items into a Python list
tlist = []
item = lst['head']
# walk the list until we reach the last item
while str(item) != '0x0':
# get item from the list and just grab 'oid_value as int'
tlist.append(int(item['data']['oid_value']))
# next item
item = item['next']
return add_indent(str(tlist), indent)
def format_node_list(lst, indent=0, newline=False):
'format list containing Node values'
# handle NULL pointer (for List we return NIL)
if (str(lst) == '0x0'):
return add_indent('(NULL)', indent)
# we'll collect the formatted items into a Python list
tlist = []
item = lst['head']
# walk the list until we reach the last item
while str(item) != '0x0':
# we assume the list contains Node instances, so grab a reference
# and cast it to (Node*)
node = cast(item['data']['ptr_value'], 'Node')
# append the formatted Node to the result list
tlist.append(format_node(node))
# next item
item = item['next']
retval = str(tlist)
if newline:
retval = "\n".join([str(t) for t in tlist])
return add_indent(retval, indent)
def format_char(value):
'''convert the 'value' into a single-character string (ugly, maybe there's a better way'''
str_val = str(value.cast(gdb.lookup_type('char')))
# remove the quotes (start/end)
return str_val.split(' ')[1][1:-1]
def format_relids(relids):
return '(not implemented)'
def format_node_array(array, start_idx, length, indent=0):
items = []
for i in range(start_idx, start_idx + length - 1):
items.append(str(i) + " => " + format_node(array[i]))
return add_indent(("\n".join(items)), indent)
def format_node(node, indent=0):
'format a single Node instance (only selected Node types supported)'
if str(node) == '0x0':
return add_indent('(NULL)', indent)
retval = ''
type_str = str(node['type'])
if is_a(node, 'TargetEntry'):
# we assume the list contains Node instances (probably safe for Plan fields)
node = cast(node, 'TargetEntry')
name_ptr = node['resname'].cast(gdb.lookup_type('char').pointer())
name = "(NULL)"
if str(name_ptr) != '0x0':
name = '"' + (name_ptr.string()) + '"'
retval = 'TargetEntry (resno=%(resno)s resname=%(name)s ressortgroupref=%(ressortgroupref)s origtbl=%(tbl)s origcol=%(col)s junk=%(junk)s)' % {
'resno': node['resno'],
'name': name,
'ressortgroupref': node['ressortgroupref'],
'tbl': node['resorigtbl'],
'col': node['resorigcol'],
'junk': (int(node['resjunk']) == 1),
}
retval += "\n%(expr)s" % {
'expr': format_node(node['expr'], 1)
}
elif is_a(node, 'SortGroupClause'):
node = cast(node, 'SortGroupClause')
retval = 'SortGroupClause (tleSortGroupRef=%(tleSortGroupRef)s eqop=%(eqop)s sortop=%(sortop)s nulls_first=%(nulls_first)s hashable=%(hashable)s)' % {
'tleSortGroupRef': node['tleSortGroupRef'],
'eqop': node['eqop'],
'sortop': node['sortop'],
'nulls_first': (int(node['nulls_first']) == 1),
'hashable': (int(node['hashable']) == 1),
}
elif is_a(node, 'Var'):
# we assume the list contains Node instances (probably safe for Plan fields)
node = cast(node, 'Var')
if node['varno'] == 65000:
varno = "INNER"
elif node['varno'] == 65001:
varno = "OUTER"
else:
varno = node['varno']
retval = 'Var (varno=%(no)s varattno=%(attno)s' % {
'no': varno,
'attno': node['varattno'],
}
if node['varcollid'] != 0:
retval += ' varcollid=%s' % node['varcollid']
retval += ' levelsup=%(levelsup)s' % {
'levelsup': node['varlevelsup']
}
if node['varnoold'] != 0:
retval += ' varnoold=%s' % node['varnoold']
if node['varoattno'] != 0:
retval += ' varoattno=%s' % node['varoattno']
if node['location'] != -1:
retval += ' location=%s' % node['location']
retval += ')'
elif is_a(node, 'Const'):
node = cast(node, 'Const')
retval = format_const(node)
elif is_a(node, 'Aggref'):
node = cast(node, 'Aggref')
retval = '''Aggref (aggfnoid=%(fnoid)s aggtype=%(aggtype)s''' % {
'fnoid': node['aggfnoid'],
'aggtype': node['aggtype'],
}
if node['aggcollid'] != 0:
retval += ' aggcollid=%s' % node['aggcollid']
if node['inputcollid'] != 0:
retval += ' inputcollid=%s' % node['inputcollid']
retval += ''' aggstar=%(aggstar)s aggvariadic=%(aggvariadic)s aggkind='%(aggkind)s' agglevelsup=%(agglevelsup)s aggstage=%(aggstage)s location=%(location)s)''' % {
'aggstar': (int(node['aggstar']) == 1),
'aggvariadic': (int(node['aggvariadic']) == 1),
'aggkind': format_char(node['aggkind']),
'agglevelsup': node['agglevelsup'],
'aggstage': node['aggstage'],
'location': node['location'],
}
if str(node['aggdirectargs']) != '0x0':
retval += '\n\taggdirectargs:'
retval += '\n%s' % format_node_list(node['aggdirectargs'], 2, True)
if str(node['args']) != '0x0':
retval += '\n\targs:'
retval += '\n%s' % format_node_list(node['args'], 2, True)
if str(node['aggorder']) != '0x0':
retval += '\n\taggorder:'
retval += '\n%s' % format_node_list(node['aggorder'], 2, True)
if str(node['aggfilter']) != '0x0':
retval += '\n\taggfilter:'
retval += '\n%s' % format_node(node['aggfilter'], 2)
elif is_a(node, 'CaseExpr'):
node = cast(node, 'CaseExpr')
retval = '''CaseExpr (casetype=%(casetype)s defresult=%(defresult)s arg=%(arg)s)
\tCaseExpr Args:
%(args)s''' % {
'casetype': node['casetype'],
'defresult': format_node(node['defresult']),
'arg': format_node(node['arg']),
'args': format_node_list(node['args'], 2, True)
}
elif is_a(node, 'CaseWhen'):
node = cast(node, 'CaseWhen')
retval = '''CaseWhen (expr=%(expr)s result=%(result)s)''' % {
'expr': format_node(node['expr']),
'result': format_node(node['result'])
}
elif is_a(node, 'RangeTblRef'):
node = cast(node, 'RangeTblRef')
retval = 'RangeTblRef (rtindex=%d)' % (int(node['rtindex']), )
elif is_a(node, 'RelOptInfo'):
node = cast(node, 'RelOptInfo')
retval = 'RelOptInfo (kind=%(kind)s relids=%(relids)s rtekind=%(rtekind)s relid=%(relid)s rows=%(rows)s width=%(width)s)' % {
'kind': node['reloptkind'],
'rows': node['rows'],
'width': node['width'],
'relid': node['relid'],
'relids': format_relids(node['relids']),
'rtekind': node['rtekind'],
}
elif is_a(node, 'RangeTblEntry'):
node = cast(node, 'RangeTblEntry')
retval = format_rte(node)
elif is_a(node, 'GenericExprState'):
node = cast(node, 'GenericExprState')
retval = format_generic_expr_state(node)
elif is_a(node, 'PlannerInfo'):
retval = format_planner_info(node)
elif is_a(node, 'PlannedStmt'):
node = cast(node, 'PlannedStmt')
retval = format_planned_stmt(node)
elif is_a(node, 'List'):
node = cast(node, 'List')
retval = format_node_list(node, 0, True)
elif is_a(node, 'Plan'):
retval = format_plan_tree(node)
elif is_a(node, 'RestrictInfo'):
node = cast(node, 'RestrictInfo')
retval = '''RestrictInfo (pushed_down=%(push_down)s can_join=%(can_join)s delayed=%(delayed)s)
%(clause)s
%(orclause)s''' % {
'clause': format_node(node['clause'], 1),
'orclause': format_node(node['orclause'], 1),
'push_down': (int(node['is_pushed_down']) == 1),
'can_join': (int(node['can_join']) == 1),
'delayed': (int(node['outerjoin_delayed']) == 1)
}
elif is_a(node, 'OpExpr'):
node = cast(node, 'OpExpr')
retval = format_op_expr(node)
elif is_a(node, 'DistinctExpr'):
node = cast(node, 'OpExpr')
retval = format_op_expr(node)
elif is_a(node, 'FuncExpr'):
node = cast(node, 'FuncExpr')
retval = format_func_expr(node)
elif is_a(node, 'RelabelType'):
node = cast(node, 'RelabelType')
retval = format_relabel_type(node)
elif is_a(node, 'CoerceViaIO'):
node = cast(node, 'CoerceViaIO')
retval = format_coerce_via_io(node)
elif is_a(node, 'ScalarArrayOpExpr'):
node = cast(node, 'ScalarArrayOpExpr')
retval = format_scalar_array_op_expr(node)
elif is_a(node, 'BoolExpr'):
node = cast(node, 'BoolExpr')
#print(node)
retval = format_bool_expr(node)
elif is_a(node, 'FromExpr'):
node = cast(node, 'FromExpr')
retval = format_from_expr(node)
elif is_a(node, 'JoinExpr'):
node = cast(node, 'JoinExpr')
retval = format_join_expr(node)
elif is_a(node, 'AlterTableCmd'):
node = cast(node, 'AlterTableCmd')
retval = format_alter_table_cmd(node)
elif is_a(node, 'AlterPartitionCmd'):
node = cast(node, 'AlterPartitionCmd')
retval = format_alter_partition_cmd(node)
elif is_a(node, 'AlterPartitionId'):
node = cast(node, 'AlterPartitionId')
retval = format_alter_partition_id(node)
elif is_a(node, 'PgPartRule'):
node = cast(node, 'PgPartRule')
retval = format_pg_part_rule(node)
elif is_a(node, 'PartitionNode'):
node = cast(node, 'PartitionNode')
retval = format_partition_node(node)
elif is_a(node, 'PartitionElem'):
node = cast(node, 'PartitionElem')