ovs/tests/ovsdb-execution.at

AT_BANNER([OVSDB -- execution])

m4_define([ORDINAL_SCHEMA],
  [[{"name": "ordinals",
     "tables": {
       "ordinals": {
         "columns": {
           "number": {"type": "integer"},
           "name": {"type": "string"}}}},
     "version": "5.1.3",
     "cksum": "12345678 9"}]])

m4_define([CONSTRAINT_SCHEMA],
  [[{"name": "constraints",
     "tables": {
       "a": {
         "columns": {
           "a": {"type": "integer"},
           "a2a": {"type": {"key": {"type": "uuid", "refTable": "a"},
                            "min": 0, "max": "unlimited"}},
           "a2b": {"type": {"key": {"type": "uuid", "refTable": "b"},
                            "min": 0, "max": "unlimited"}}}},
       "b": {
         "columns": {
           "b": {"type": "integer"},
           "b2a": {"type": {"key": {"type": "uuid", "refTable": "a"},
                            "min": 0, "max": "unlimited"}},
           "b2b": {"type": {"key": {"type": "uuid", "refTable": "b"},
                            "min": 0, "max": "unlimited"}}}},
       "constrained": {
         "columns": {
           "positive": {"type": {"key": {"type": "integer",
                                         "minInteger": 1}}}},
         "maxRows": 1}}}]])

m4_define([WEAK_SCHEMA],
  [[{"name": "weak",
     "tables": {
       "a": {
         "columns": {
           "a": {"type": "integer"},
           "a2a": {"type": {"key": {"type": "uuid",
                                    "refTable": "a",
                                    "refType": "weak"},
                            "min": 0, "max": "unlimited"}},
           "a2a1": {"type": {"key": {"type": "uuid",
                                     "refTable": "a",
                                     "refType": "weak"}}},
           "a2b": {"type": {"key": {"type": "uuid",
                                    "refTable": "b",
                                    "refType": "weak"}}}}},
       "b": {
         "columns": {
           "b": {"type": "integer"},
           "b2a": {"type": {"key": {"type": "uuid",
                                    "refTable": "a",
                                    "refType": "weak"},
                            "min": 0, "max": "unlimited"}}}}}}]])

# OVSDB_CHECK_EXECUTION(TITLE, SCHEMA, TRANSACTIONS, OUTPUT, [KEYWORDS])
#
# Runs "test-ovsdb execute" with the given SCHEMA and each of the
# TRANSACTIONS (which should be a quoted list of quoted strings).
#
# Checks that the overall output is OUTPUT, but UUIDs in the output
# are replaced by markers of the form <N> where N is a number.  The
# first unique UUID is replaced by <0>, the next by <1>, and so on.
# If a given UUID appears more than once it is always replaced by the
# same marker.
#
# TITLE is provided to AT_SETUP and KEYWORDS to AT_KEYWORDS.
m4_define([OVSDB_CHECK_EXECUTION], 
  [AT_SETUP([$1])
   AT_KEYWORDS([ovsdb execute execution positive $5])
   AT_CHECK([test-ovsdb execute '$2' m4_foreach([txn], [$3], [ 'txn'])],
     [0], [stdout], [])
   AT_CHECK([perl $srcdir/uuidfilt.pl stdout], [0], [$4])
   AT_CLEANUP])

OVSDB_CHECK_EXECUTION([uuid-name must be <id>],
  [CONSTRAINT_SCHEMA],
  [[[["constraints",
      {"op": "insert",
       "table": "a",
       "row": {},
       "uuid-name": "0"}]]]],
  [[[{"details":"Parsing ovsdb operation 1 of 1 failed: Type mismatch for member 'uuid-name'.","error":"syntax error","syntax":"{\"op\":\"insert\",\"row\":{},\"table\":\"a\",\"uuid-name\":\"0\"}"}]
]])

OVSDB_CHECK_EXECUTION([named-uuid must be <id>],
  [CONSTRAINT_SCHEMA],
  [[[["constraints",
      {"op": "insert",
       "table": "a",
       "row": {"a2a": ["named-uuid", "0"]}}]]]],
  [[[{"details":"named-uuid string is not a valid <id>","error":"syntax error","syntax":"[\"named-uuid\",\"0\"]"}]
]])

m4_define([EXECUTION_EXAMPLES], [
dnl At one point the "commit" code ignored new rows with all-default values,
dnl so this checks for that problem.
OVSDB_CHECK_EXECUTION([insert default row, query table],
  [ORDINAL_SCHEMA], 
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {}}]]],
   [[["ordinals",
      {"op": "select",
       "table": "ordinals",
       "where": []}]]]],
  [[[{"uuid":["uuid","<0>"]}]
[{"rows":[{"_uuid":["uuid","<0>"],"_version":["uuid","<1>"],"name":"","number":0}]}]
]])

OVSDB_CHECK_EXECUTION([insert row, query table],
  [ORDINAL_SCHEMA], 
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}}]]],
   [[["ordinals",
      {"op": "select",
       "table": "ordinals",
       "where": []}]]]],
  [[[{"uuid":["uuid","<0>"]}]
[{"rows":[{"_uuid":["uuid","<0>"],"_version":["uuid","<1>"],"name":"zero","number":0}]}]
]])

OVSDB_CHECK_EXECUTION([insert rows, query by value],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}}]]],
   [[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"}}]]],
   [[["ordinals",
      {"op": "select",
       "table": "ordinals",
       "where": [["name", "==", "zero"]]}]]],
   [[["ordinals",
      {"op": "select",
       "table": "ordinals",
       "where": [["name", "==", "one"]]}]]]],
  [[[{"uuid":["uuid","<0>"]}]
[{"uuid":["uuid","<1>"]}]
[{"rows":[{"_uuid":["uuid","<0>"],"_version":["uuid","<2>"],"name":"zero","number":0}]}]
[{"rows":[{"_uuid":["uuid","<1>"],"_version":["uuid","<3>"],"name":"one","number":1}]}]
]])

OVSDB_CHECK_EXECUTION([insert rows, query by named-uuid],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"},
       "uuid-name": "first"},
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"},
       "uuid-name": "second"},
      {"op": "select",
       "table": "ordinals",
       "where": [["_uuid", "==", ["named-uuid", "first"]]]},
      {"op": "select",
       "table": "ordinals",
       "where": [["_uuid", "==", ["named-uuid", "second"]]]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{"rows":[{"_uuid":["uuid","<0>"],"_version":["uuid","<2>"],"name":"zero","number":0}]},{"rows":[{"_uuid":["uuid","<1>"],"_version":["uuid","<3>"],"name":"one","number":1}]}]
]])

OVSDB_CHECK_EXECUTION([insert rows, update rows by value],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"},
       "uuid-name": "first"}]]],
   [[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"},
       "uuid-name": "first"}]]],
   [[["ordinals",
      {"op": "update",
       "table": "ordinals",
       "where": [["name", "==", "zero"]],
       "row": {"name": "nought"}}]]],
   [[["ordinals",
      {"op": "select",
       "table": "ordinals",
       "where": [],
       "sort": ["number"]}]]]],
  [[[{"uuid":["uuid","<0>"]}]
[{"uuid":["uuid","<1>"]}]
[{"count":1}]
[{"rows":[{"_uuid":["uuid","<0>"],"_version":["uuid","<2>"],"name":"nought","number":0},{"_uuid":["uuid","<1>"],"_version":["uuid","<3>"],"name":"one","number":1}]}]
]])

OVSDB_CHECK_EXECUTION([insert rows, mutate rows],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"},
       "uuid-name": "first"}]]],
   [[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"},
       "uuid-name": "first"}]]],
   [[["ordinals",
      {"op": "mutate",
       "table": "ordinals",
       "where": [["name", "==", "zero"]],
       "mutations": [["number", "+=", 2]]}]]],
   [[["ordinals",
      {"op": "select",
       "table": "ordinals",
       "where": [],
       "sort": ["number"]}]]]],
  [[[{"uuid":["uuid","<0>"]}]
[{"uuid":["uuid","<1>"]}]
[{"count":1}]
[{"rows":[{"_uuid":["uuid","<1>"],"_version":["uuid","<2>"],"name":"one","number":1},{"_uuid":["uuid","<0>"],"_version":["uuid","<3>"],"name":"zero","number":2}]}]
]])

OVSDB_CHECK_EXECUTION([insert rows, delete by named-uuid],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"},
       "uuid-name": "first"},
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"},
       "uuid-name": "second"},
      {"op": "delete",
       "table": "ordinals",
       "where": [["_uuid", "==", ["named-uuid", "first"]]]},
      {"op": "select",
       "table": "ordinals",
       "where": [],
       "columns": ["name","number"]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{"count":1},{"rows":[{"name":"one","number":1}]}]
]])

OVSDB_CHECK_EXECUTION([insert rows, delete rows by value],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"},
       "uuid-name": "first"}]]],
   [[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"},
       "uuid-name": "first"}]]],
   [[["ordinals",
      {"op": "delete",
       "table": "ordinals",
       "where": [["name", "==", "zero"]]}]]],
   [[["ordinals",
      {"op": "select",
       "table": "ordinals",
       "where": []}]]]],
  [[[{"uuid":["uuid","<0>"]}]
[{"uuid":["uuid","<1>"]}]
[{"count":1}]
[{"rows":[{"_uuid":["uuid","<1>"],"_version":["uuid","<2>"],"name":"one","number":1}]}]
]])

OVSDB_CHECK_EXECUTION([insert rows, delete by (non-matching) value],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"},
       "uuid-name": "first"}]]],
   [[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"},
       "uuid-name": "first"}]]],
   [[["ordinals",
      {"op": "delete",
       "table": "ordinals",
       "where": [["name", "==", "nought"]]}]]],
   [[["ordinals",
      {"op": "select",
       "table": "ordinals",
       "where": [],
       "sort": ["number"]}]]]],
  [[[{"uuid":["uuid","<0>"]}]
[{"uuid":["uuid","<1>"]}]
[{"count":0}]
[{"rows":[{"_uuid":["uuid","<0>"],"_version":["uuid","<2>"],"name":"zero","number":0},{"_uuid":["uuid","<1>"],"_version":["uuid","<3>"],"name":"one","number":1}]}]
]])

OVSDB_CHECK_EXECUTION([insert rows, delete all],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"},
       "uuid-name": "first"},
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"},
       "uuid-name": "second"},
      {"op": "delete",
       "table": "ordinals",
       "where": []},
      {"op": "select",
       "table": "ordinals",
       "where": [],
       "columns": ["name","number"]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{"count":2},{"rows":[]}]
]])

OVSDB_CHECK_EXECUTION([insert row, query table, commit],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}},
      {"op": "select",
       "table": "ordinals",
       "where": []},
      {"op": "commit",
       "durable": false}]]]],
  [[[{"uuid":["uuid","<0>"]},{"rows":[{"_uuid":["uuid","<0>"],"_version":["uuid","<1>"],"name":"zero","number":0}]},{}]
]])

OVSDB_CHECK_EXECUTION([insert row, query table, commit durably],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}},
      {"op": "select",
       "table": "ordinals",
       "where": []},
      {"op": "commit",
       "durable": true}]]]],
  [[[{"uuid":["uuid","<0>"]},{"rows":[{"_uuid":["uuid","<0>"],"_version":["uuid","<1>"],"name":"zero","number":0}]},{}]
]])

OVSDB_CHECK_EXECUTION([equality wait with correct rows],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}},
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"}},
      {"op": "wait",
       "timeout": 0,
       "table": "ordinals",
       "where": [],
       "columns": ["name", "number"],
       "until": "==",
       "rows": [{"name": "zero", "number": 0},
                {"name": "one", "number": 1}]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{}]
]])

OVSDB_CHECK_EXECUTION([equality wait with extra row],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}},
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"}},
      {"op": "wait",
       "timeout": 0,
       "table": "ordinals",
       "where": [],
       "columns": ["name", "number"],
       "until": "==",
       "rows": [{"name": "zero", "number": 0},
                {"name": "one", "number": 1},
                {"name": "two", "number": 2}]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{"details":"\"wait\" timed out","error":"timed out"}]
]])

OVSDB_CHECK_EXECUTION([equality wait with missing row],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}},
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"}},
      {"op": "wait",
       "timeout": 0,
       "table": "ordinals",
       "where": [],
       "columns": ["name", "number"],
       "until": "==",
       "rows": [{"name": "one", "number": 1}]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{"details":"\"wait\" timed out","error":"timed out"}]
]])

OVSDB_CHECK_EXECUTION([inequality wait with correct rows],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}},
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"}},
      {"op": "wait",
       "timeout": 0,
       "table": "ordinals",
       "where": [],
       "columns": ["name", "number"],
       "until": "!=",
       "rows": [{"name": "zero", "number": 0},
                {"name": "one", "number": 1}]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{"details":"\"wait\" timed out","error":"timed out"}]
]])

OVSDB_CHECK_EXECUTION([inequality wait with extra row],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}},
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"}},
      {"op": "wait",
       "timeout": 0,
       "table": "ordinals",
       "where": [],
       "columns": ["name", "number"],
       "until": "!=",
       "rows": [{"name": "zero", "number": 0},
                {"name": "one", "number": 1},
                {"name": "two", "number": 2}]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{}]
]])

OVSDB_CHECK_EXECUTION([inequality wait with missing row],
  [ORDINAL_SCHEMA],
  [[[["ordinals",
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 0, "name": "zero"}},
      {"op": "insert",
       "table": "ordinals",
       "row": {"number": 1, "name": "one"}},
      {"op": "wait",
       "timeout": 0,
       "table": "ordinals",
       "where": [],
       "columns": ["name", "number"],
       "until": "!=",
       "rows": [{"name": "one", "number": 1}]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{}]
]])

OVSDB_CHECK_EXECUTION([insert and update constraints],
  [CONSTRAINT_SCHEMA],
  [[[["constraints",
      {"op": "insert",
       "table": "constrained",
       "row": {}}]]],
   [[["constraints",
      {"op": "insert",
       "table": "constrained",
       "row": {"positive": -1}}]]],
   [[["constraints",
      {"op": "update",
       "table": "constrained",
       "where": [],
       "row": {"positive": -2}}]]],
   [[["constraints",
      {"op": "insert",
       "table": "constrained",
       "row": {"positive": 1}}]]],
   [[["constraints",
      {"op": "insert",
       "table": "constrained",
       "row": {"positive": 2}}]]]],
  [[[{"details":"0 is less than minimum allowed value 1","error":"constraint violation"}]
[{"details":"-1 is less than minimum allowed value 1","error":"constraint violation"}]
[{"details":"-2 is less than minimum allowed value 1","error":"constraint violation"}]
[{"uuid":["uuid","<0>"]}]
[{"uuid":["uuid","<1>"]},{"details":"transaction causes \"constrained\" table to contain 2 rows, greater than the schema-defined limit of 1 row(s)","error":"constraint violation"}]
]])

OVSDB_CHECK_EXECUTION([referential integrity -- simple],
  [CONSTRAINT_SCHEMA],
  [[[["constraints",
      {"op": "insert",
       "table": "b",
       "row": {"b": 1},
       "uuid-name": "brow"},
      {"op": "insert",
       "table": "a",
       "row": {"a": 0,
               "a2b": ["set", [["named-uuid", "brow"]]]}},
      {"op": "insert",
       "table": "a",
       "row": {"a": 1,
               "a2b": ["set", [["named-uuid", "brow"]]]}},
      {"op": "insert",
       "table": "a",
       "row": {"a": 2,
               "a2b": ["set", [["named-uuid", "brow"]]]}}]]],
   [[["constraints",
      {"op": "delete",
       "table": "b",
       "where": []}]]],
   [[["constraints",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 0]]}]]],
   [[["constraints",
      {"op": "delete",
       "table": "b",
       "where": []}]]],
   [[["constraints",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 1]]}]]],
   [[["constraints",
      {"op": "delete",
       "table": "b",
       "where": []}]]],
   [[["constraints",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 2]]}]]],
   [[["constraints",
      {"op": "delete",
       "table": "b",
       "where": []}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{"uuid":["uuid","<2>"]},{"uuid":["uuid","<3>"]}]
[{"count":1},{"details":"cannot delete b row <0> because of 3 remaining reference(s)","error":"referential integrity violation"}]
[{"count":1}]
[{"count":1},{"details":"cannot delete b row <0> because of 2 remaining reference(s)","error":"referential integrity violation"}]
[{"count":1}]
[{"count":1},{"details":"cannot delete b row <0> because of 1 remaining reference(s)","error":"referential integrity violation"}]
[{"count":1}]
[{"count":1}]
]])

OVSDB_CHECK_EXECUTION([referential integrity -- mutual references],
  [CONSTRAINT_SCHEMA],
  [[[["constraints",
      {"op": "insert",
       "table": "a",
       "row": {"a": 0,
               "a2b": ["set", [["named-uuid", "row2"]]],
               "a2a": ["set", [["named-uuid", "row1"]]]},
       "uuid-name": "row1"},
      {"op": "insert",
       "table": "b",
       "row": {"b": 1,
               "b2b": ["set", [["named-uuid", "row2"]]],
               "b2a": ["set", [["named-uuid", "row1"]]]},
       "uuid-name": "row2"}]]],
   [[["constraints",
      {"op": "insert",
       "table": "a",
       "row": {"a2b": ["set", [["uuid", "b516b960-5b19-4fc2-bb82-fe1cbd6d0241"]]]}}]]],
   [[["constraints",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 0]]}]]],
   [[["constraints",
      {"op": "delete",
       "table": "b",
       "where": [["b", "==", 1]]}]]],
   dnl Try the deletions again to make sure that the refcounts got rolled back.
   [[["constraints",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 0]]}]]],
   [[["constraints",
      {"op": "delete",
       "table": "b",
       "where": [["b", "==", 1]]}]]],
   [[["constraints",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 0]]},
      {"op": "delete",
       "table": "b",
       "where": [["b", "==", 1]]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]}]
[{"uuid":["uuid","<2>"]},{"details":"Table a column a2b row <2> references nonexistent row <3> in table b.","error":"referential integrity violation"}]
[{"count":1},{"details":"cannot delete a row <0> because of 1 remaining reference(s)","error":"referential integrity violation"}]
[{"count":1},{"details":"cannot delete b row <1> because of 1 remaining reference(s)","error":"referential integrity violation"}]
[{"count":1},{"details":"cannot delete a row <0> because of 1 remaining reference(s)","error":"referential integrity violation"}]
[{"count":1},{"details":"cannot delete b row <1> because of 1 remaining reference(s)","error":"referential integrity violation"}]
[{"count":1},{"count":1}]
]])

OVSDB_CHECK_EXECUTION([weak references],
  [WEAK_SCHEMA],
  [[[["weak",
      {"op": "insert",
       "table": "a",
       "row": {"a": 0,
               "a2a": ["set", [["named-uuid", "row1"],
                               ["named-uuid", "row2"],
                               ["uuid", "0e767b36-6822-4044-8307-d58467e04669"]]],
               "a2a1": ["named-uuid", "row1"],
               "a2b": ["named-uuid", "row3"]},
       "uuid-name": "row1"},
      {"op": "insert",
       "table": "a",
       "row": {"a": 1,
               "a2a": ["set", [["named-uuid", "row1"],
                               ["named-uuid", "row2"]]],
               "a2a1": ["named-uuid", "row2"],
               "a2b": ["named-uuid", "row3"]},
       "uuid-name": "row2"},
      {"op": "insert",
       "table": "a",
       "row": {"a": 2,
               "a2a": ["set", [["named-uuid", "row1"],
                               ["named-uuid", "row2"]]],
               "a2a1": ["named-uuid", "row2"],
               "a2b": ["named-uuid", "row4"]}},
      {"op": "insert",
       "table": "b",
       "row": {"b": 2,
               "b2a": ["named-uuid", "row1"]},
       "uuid-name": "row3"},
      {"op": "insert",
       "table": "b",
       "row": {"b": 3,
               "b2a": ["named-uuid", "row2"]},
       "uuid-name": "row4"}]]],
   dnl Check that the nonexistent row UUID we added to row a0 was deleted,
   dnl and that other rows were inserted as requested.
   [[["weak",
      {"op": "select",
       "table": "a",
       "where": [],
       "columns": ["_uuid", "a2a", "a2a1", "a2b"],
       "sort": ["a"]}]]],
   [[["weak",
      {"op": "select",
       "table": "b",
       "where": [],
       "columns": ["_uuid", "b", "b2a"],
       "sort": ["b"]}]]],
   dnl Try to insert invalid all-zeros weak reference (the default) into
   dnl "a2b", which requires exactly one value.
   [[["weak",
      {"op": "insert",
       "table": "a",
       "row": {"a2a1": ["named-uuid", "me"]},
       "uuid-name": "me"}]]],
   dnl Try to delete row from "b" that is referred to by weak references
   dnl from "a" table "a2b" column that requires exactly one value.
   [[["weak",
      {"op": "delete",
       "table": "b",
       "where": [["b", "==", 3]]}]]],
   dnl Try to delete row from "a" that is referred to by weak references
   dnl from "a" table "a2a1" column that requires exactly one value.
   [[["weak",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 1]]}]]],
   dnl Delete the row that had the reference that caused the previous
   dnl deletion to fail, then check that other rows are unchanged.
   [[["weak",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 2]]}]]],
   [[["weak",
      {"op": "select",
       "table": "a",
       "where": [],
       "columns": ["_uuid", "a2a", "a2a1", "a2b"],
       "sort": ["a"]}]]],
   [[["weak",
      {"op": "select",
       "table": "b",
       "where": [],
       "columns": ["_uuid", "b", "b2a"],
       "sort": ["b"]}]]],
   dnl Delete row a0 then check that references to it were removed.
   [[["weak",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 0]]}]]],
   [[["weak",
      {"op": "select",
       "table": "a",
       "where": [],
       "columns": ["_uuid", "a2a", "a2a1", "a2b"],
       "sort": ["a"]}]]],
   [[["weak",
      {"op": "select",
       "table": "b",
       "where": [],
       "columns": ["_uuid", "b", "b2a"],
       "sort": ["b"]}]]],
   dnl Delete row a1 then check that references to it were removed.
   [[["weak",
      {"op": "delete",
       "table": "a",
       "where": [["a", "==", 1]]}]]],
   [[["weak",
      {"op": "select",
       "table": "a",
       "where": [],
       "columns": ["_uuid", "a2a", "a2a1", "a2b"],
       "sort": ["a"]}]]],
   [[["weak",
      {"op": "select",
       "table": "b",
       "where": [],
       "columns": ["_uuid", "b", "b2a"],
       "sort": ["b"]}]]]],
  [[[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]},{"uuid":["uuid","<2>"]},{"uuid":["uuid","<3>"]},{"uuid":["uuid","<4>"]}]
[{"rows":[{"_uuid":["uuid","<0>"],"a2a":["set",[["uuid","<0>"],["uuid","<1>"]]],"a2a1":["uuid","<0>"],"a2b":["uuid","<3>"]},{"_uuid":["uuid","<1>"],"a2a":["set",[["uuid","<0>"],["uuid","<1>"]]],"a2a1":["uuid","<1>"],"a2b":["uuid","<3>"]},{"_uuid":["uuid","<2>"],"a2a":["set",[["uuid","<0>"],["uuid","<1>"]]],"a2a1":["uuid","<1>"],"a2b":["uuid","<4>"]}]}]
[{"rows":[{"_uuid":["uuid","<3>"],"b":2,"b2a":["uuid","<0>"]},{"_uuid":["uuid","<4>"],"b":3,"b2a":["uuid","<1>"]}]}]
[{"uuid":["uuid","<5>"]},{"details":"Weak reference column \"a2b\" in \"a\" row <5> (inserted within this transaction) contained all-zeros UUID (probably as the default value for this column) but deleting this value caused a constraint volation because this column is not allowed to be empty.","error":"constraint violation"}]
[{"count":1},{"details":"Deletion of 1 weak reference(s) to deleted (or never-existing) rows from column \"a2b\" in \"a\" row <2> caused this column to become empty, but constraints on this column disallow an empty column.","error":"constraint violation"}]
[{"count":1},{"details":"Deletion of 1 weak reference(s) to deleted (or never-existing) rows from column \"a2a1\" in \"a\" row <2> caused this column to become empty, but constraints on this column disallow an empty column.","error":"constraint violation"}]
[{"count":1}]
[{"rows":[{"_uuid":["uuid","<0>"],"a2a":["set",[["uuid","<0>"],["uuid","<1>"]]],"a2a1":["uuid","<0>"],"a2b":["uuid","<3>"]},{"_uuid":["uuid","<1>"],"a2a":["set",[["uuid","<0>"],["uuid","<1>"]]],"a2a1":["uuid","<1>"],"a2b":["uuid","<3>"]}]}]
[{"rows":[{"_uuid":["uuid","<3>"],"b":2,"b2a":["uuid","<0>"]},{"_uuid":["uuid","<4>"],"b":3,"b2a":["uuid","<1>"]}]}]
[{"count":1}]
[{"rows":[{"_uuid":["uuid","<1>"],"a2a":["uuid","<1>"],"a2a1":["uuid","<1>"],"a2b":["uuid","<3>"]}]}]
[{"rows":[{"_uuid":["uuid","<3>"],"b":2,"b2a":["set",[]]},{"_uuid":["uuid","<4>"],"b":3,"b2a":["uuid","<1>"]}]}]
[{"count":1}]
[{"rows":[]}]
[{"rows":[{"_uuid":["uuid","<3>"],"b":2,"b2a":["set",[]]},{"_uuid":["uuid","<4>"],"b":3,"b2a":["set",[]]}]}]
]])])

EXECUTION_EXAMPLES