def test_assumption(self):
table = Table_usingSQLite("test_table")
collection = {}
uid = table.next_uid()
ok, required_changes = table.flatten({"a": 1, "b": "v"}, uid, collection)
table.change_schema(required_changes)
uid = table.next_uid()
ok, required_changes = table.flatten({"a": None, "b": "v"}, uid, collection)
uid = table.next_uid()
ok, required_changes = table.flatten({"a": 1, "b": None}, uid, collection)
table._insert(collection)
result = table.db.query('SELECT coalesce("a.$number", "b.$string"), length(coalesce("a.$number", "b.$string")) FROM '+table.name)
self.assertEqual(result, {"data": [(1.0, 3), ('v', 1), (1.0, 3)]})
def test_flatten_inner(self):
table = Table_usingSQLite("test_table")
collection = {}
uid = table.next_uid() # 1
ok, required_changes = table.flatten({"a": 0}, uid, collection)
self.assertEqual(ok, False)
self.assertEqual(required_changes, [{"add": {"name": "a", "type": "number", "nested_path": NullOp()}}])
self.assertEqual(
collection, {".": {"rows": [{"__id__": 1, "a.$number": 0}], "active_columns": [{"es_column": "a.$number"}]}}
)
table.change_schema(required_changes)
table._insert(collection)
collection = {}
uid = table.next_uid() # 2
ok, required_changes = table.flatten({"a": {"b": 0}}, uid, collection)
self.assertEqual(ok, False)
self.assertEqual(
required_changes,
[
{"add": {"name": "a", "type": "object", "nested_path": NullOp()}},
{"add": {"name": "a.b", "type": "number", "nested_path": NullOp()}},
],
)
self.assertEqual(
collection,
{
".": {
"rows": [{"__id__": 2, "a.$object": ".", "a.b.$number": 0}],
"active_columns": {wrap({"es_column": "a.b.$number"}), wrap({"es_column": "a.$object"})},
}
},
)
table.change_schema(required_changes)
table._insert(collection)
collection = {}
uid = table.next_uid() # 3
ok, required_changes = table.flatten({"a": {"b": [0, 1]}}, uid, collection)
self.assertEqual(ok, False)
self.assertEqual(required_changes, [{"add": {"name": "a.b", "type": "nested", "nested_path": NullOp()}}])
self.assertEqual(
collection,
{
".": {
"rows": [{"__id__": 3, "a.$object": "."}],
"active_columns": {wrap({"es_column": "a.$object"}), wrap({"es_column": "a.b.$object"})},
},
"a.b": {
"rows": [
{"__id__": 4, "__parent__": 3, "__order__": 0, "a.b.$number": 0},
{"__id__": 5, "__parent__": 3, "__order__": 1, "a.b.$number": 1},
],
"active_columns": {wrap({"es_column": "a.b.$number"})},
},
},
)
table.change_schema(required_changes)
table._insert(collection)
collection = {}
uid = table.next_uid() # 6
ok, required_changes = table.flatten({"a": {"b": "value"}}, uid, collection)
self.assertEqual(ok, False)
self.assertEqual(required_changes, [{"add": {"name": "a.b", "type": "string", "nested_path": "a.b"}}])
self.assertEqual(
collection,
{
".": {
"rows": [{"__id__": 6, "a.b.$object": ".", "a.$object": "."}],
"active_columns": {wrap({"es_column": "a.b.$object"}), wrap({"es_column": "a.$object"})},
},
"a.b": {
"rows": [{"__id__": 7, "__parent__": 6, "__order__": 0, "a.b.$string": "value"}],
"active_columns": {wrap({"es_column": "a.b.$string"})},
},
},
)
table.change_schema(required_changes)
table._insert(collection)
# VERIFY CONTENT OF TABLE
result = table.db.query('SELECT * FROM "test_table.a.b" ORDER BY __id__')
self.assertEqual(
result, {"data": [(2, 2, 0, 0, None), (4, 3, 0, 0, None), (5, 3, 1, 1, None), (7, 6, 0, None, "value")]}
)
# VIEW METADATA
command = 'PRAGMA table_info("test_table")'
Log.note("Metadata\n{{meta|json|indent}}", meta=table.db.query(command))
# VIEW METADATA
command = 'PRAGMA table_info("test_table.a.b")'
Log.note("Metadata\n{{meta|json|indent}}", meta=table.db.query(command))
# VERIFY PULLING DATA
result = table.query({"from": table.name})
self.assertEqual(result, {"data": [{"a": 0}, {"a": {"b": 0}}, {"a": {"b": [0, 1]}}, {"a": {"b": "value"}}]})
Log.note("{{result}}", result=result)
def test_flatten_inner(self):
table = Table_usingSQLite("test_table")
collection = {}
uid = table.next_uid() # 1
ok, required_changes = table.flatten({"a": 0}, uid, collection)
self.assertEqual(ok, False)
self.assertEqual(required_changes, [{"add": {"name": "a", "type": "number", "nested_path": NullOp()}}])
self.assertEqual(collection, {
".": {
"rows": [{"__id__": 1, "a.$number": 0}],
"active_columns": [{"es_column": "a.$number"}]
}
})
table.change_schema(required_changes)
table._insert(collection)
collection = {}
uid = table.next_uid() # 2
ok, required_changes = table.flatten({"a": {"b": 0}}, uid, collection)
self.assertEqual(ok, False)
self.assertEqual(required_changes, [
{"add": {"name": "a", "type": "object", "nested_path": NullOp()}},
{"add": {"name": "a.b", "type": "number", "nested_path": NullOp()}}
])
self.assertEqual(collection, {
".": {
"rows": [{"__id__": 2, "a.$object": ".", "a.b.$number": 0}],
"active_columns": {wrap({"es_column": "a.b.$number"}), wrap({"es_column": "a.$object"})}
}
})
table.change_schema(required_changes)
table._insert(collection)
collection = {}
uid = table.next_uid() # 3
ok, required_changes = table.flatten({"a": {"b": [0, 1]}}, uid, collection)
self.assertEqual(ok, False)
self.assertEqual(required_changes, [{
"add": {"name": "a.b", "type": "nested", "nested_path": NullOp()}
}])
self.assertEqual(collection, {
".": {
"rows": [
{"__id__": 3, "a.$object": "."}
],
"active_columns": {wrap({"es_column": "a.$object"}), wrap({"es_column": "a.b.$object"})}
},
"a.b": {
"rows":[
{"__id__": 4, "__parent__": 3, "__order__": 0, "a.b.$number": 0},
{"__id__": 5, "__parent__": 3, "__order__": 1, "a.b.$number": 1}
],
"active_columns": {wrap({"es_column": "a.b.$number"})}
}
})
table.change_schema(required_changes)
table._insert(collection)
collection = {}
uid = table.next_uid() # 6
ok, required_changes = table.flatten({"a": {"b": "value"}}, uid, collection)
self.assertEqual(ok, False)
self.assertEqual(required_changes, [{
"add": {"name": "a.b", "type": "string", "nested_path": "a.b"}
}])
self.assertEqual(collection, {
".": {
"rows": [
{"__id__": 6, "a.b.$object": ".", "a.$object": "."}
],
"active_columns": {wrap({"es_column": "a.b.$object"}), wrap({"es_column": "a.$object"})}
},
"a.b": {
"rows": [
{"__id__": 7, "__parent__": 6, "__order__": 0, "a.b.$string": "value"}
],
"active_columns": {wrap({"es_column": "a.b.$string"})}
}
})
table.change_schema(required_changes)
table._insert(collection)
# VERIFY CONTENT OF TABLE
result = table.db.query('SELECT * FROM "test_table.a.b" ORDER BY __id__')
self.assertEqual(result, {"data": [
(2, 2, 0, 0, None),
(4, 3, 0, 0, None),
(5, 3, 1, 1, None),
(7, 6, 0, None, 'value')
]})
# VIEW METADATA
command = 'PRAGMA table_info("test_table")'
Log.note("Metadata\n{{meta|json|indent}}", meta=table.db.query(command))
# VIEW METADATA
command = 'PRAGMA table_info("test_table.a.b")'
Log.note("Metadata\n{{meta|json|indent}}", meta=table.db.query(command))
# VERIFY PULLING DATA
result = table.query({"from": table.name})
self.assertEqual(result, {"data": [
{"a": 0},
{"a": {"b": 0}},
{"a": {"b": [0, 1]}},
{"a": {"b": "value"}}
]})
Log.note("{{result}}", result=result)