mirror of
https://github.com/go-gitea/gitea
synced 2024-12-26 02:24:27 +00:00
459 lines
16 KiB
Go
459 lines
16 KiB
Go
|
// Copyright 2016 PingCAP, Inc.
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package infoschema
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"sort"
|
||
|
|
|
||
|
|
"github.com/pingcap/tidb/column"
|
||
|
|
"github.com/pingcap/tidb/meta/autoid"
|
||
|
|
"github.com/pingcap/tidb/model"
|
||
|
|
"github.com/pingcap/tidb/mysql"
|
||
|
|
"github.com/pingcap/tidb/table"
|
||
|
|
"github.com/pingcap/tidb/table/tables"
|
||
|
|
"github.com/pingcap/tidb/util/charset"
|
||
|
|
"github.com/pingcap/tidb/util/types"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
tableSchemata = "SCHEMATA"
|
||
|
|
tableTables = "TABLES"
|
||
|
|
tableColumns = "COLUMNS"
|
||
|
|
tableStatistics = "STATISTICS"
|
||
|
|
tableCharacterSets = "CHARACTER_SETS"
|
||
|
|
tableCollations = "COLLATIONS"
|
||
|
|
tableFiles = "FILES"
|
||
|
|
catalogVal = "def"
|
||
|
|
tableProfiling = "PROFILING"
|
||
|
|
)
|
||
|
|
|
||
|
|
type columnInfo struct {
|
||
|
|
name string
|
||
|
|
tp byte
|
||
|
|
size int
|
||
|
|
flag uint
|
||
|
|
deflt interface{}
|
||
|
|
elems []string
|
||
|
|
}
|
||
|
|
|
||
|
|
func buildColumnInfo(tableName string, col columnInfo) *model.ColumnInfo {
|
||
|
|
mCharset := charset.CharsetBin
|
||
|
|
mCollation := charset.CharsetBin
|
||
|
|
mFlag := mysql.UnsignedFlag
|
||
|
|
if col.tp == mysql.TypeVarchar || col.tp == mysql.TypeBlob {
|
||
|
|
mCharset = mysql.DefaultCharset
|
||
|
|
mCollation = mysql.DefaultCollationName
|
||
|
|
mFlag = 0
|
||
|
|
}
|
||
|
|
fieldType := types.FieldType{
|
||
|
|
Charset: mCharset,
|
||
|
|
Collate: mCollation,
|
||
|
|
Tp: col.tp,
|
||
|
|
Flen: col.size,
|
||
|
|
Flag: uint(mFlag),
|
||
|
|
}
|
||
|
|
return &model.ColumnInfo{
|
||
|
|
Name: model.NewCIStr(col.name),
|
||
|
|
FieldType: fieldType,
|
||
|
|
State: model.StatePublic,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func buildTableMeta(tableName string, cs []columnInfo) *model.TableInfo {
|
||
|
|
cols := make([]*model.ColumnInfo, 0, len(cs))
|
||
|
|
for _, c := range cs {
|
||
|
|
cols = append(cols, buildColumnInfo(tableName, c))
|
||
|
|
}
|
||
|
|
for i, col := range cols {
|
||
|
|
col.Offset = i
|
||
|
|
}
|
||
|
|
return &model.TableInfo{
|
||
|
|
Name: model.NewCIStr(tableName),
|
||
|
|
Columns: cols,
|
||
|
|
State: model.StatePublic,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var schemataCols = []columnInfo{
|
||
|
|
{"CATALOG_NAME", mysql.TypeVarchar, 512, 0, nil, nil},
|
||
|
|
{"SCHEMA_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"DEFAULT_CHARACTER_SET_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"DEFAULT_COLLATION_NAME", mysql.TypeVarchar, 32, 0, nil, nil},
|
||
|
|
{"SQL_PATH", mysql.TypeVarchar, 512, 0, nil, nil},
|
||
|
|
}
|
||
|
|
|
||
|
|
var tablesCols = []columnInfo{
|
||
|
|
{"TABLE_CATALOG", mysql.TypeVarchar, 512, 0, nil, nil},
|
||
|
|
{"TABLE_SCHEMA", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"TABLE_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"TABLE_TYPE", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"ENGINE", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"VERSION", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"ROW_FORMAT", mysql.TypeVarchar, 10, 0, nil, nil},
|
||
|
|
{"TABLE_ROWS", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"AVG_ROW_LENGTH", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"DATA_LENGTH", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"MAX_DATA_LENGTH", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"INDEX_LENGTH", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"DATA_FREE", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"AUTO_INCREMENT", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"CREATE_TIME", mysql.TypeDatetime, 19, 0, nil, nil},
|
||
|
|
{"UPDATE_TIME", mysql.TypeDatetime, 19, 0, nil, nil},
|
||
|
|
{"CHECK_TIME", mysql.TypeDatetime, 19, 0, nil, nil},
|
||
|
|
{"TABLE_COLLATION", mysql.TypeVarchar, 32, 0, nil, nil},
|
||
|
|
{"CHECK_SUM", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"CREATE_OPTIONS", mysql.TypeVarchar, 255, 0, nil, nil},
|
||
|
|
{"TABLE_COMMENT", mysql.TypeVarchar, 2048, 0, nil, nil},
|
||
|
|
}
|
||
|
|
|
||
|
|
var columnsCols = []columnInfo{
|
||
|
|
{"TABLE_CATALOG", mysql.TypeVarchar, 512, 0, nil, nil},
|
||
|
|
{"TABLE_SCHEMA", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"TABLE_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"COLUMN_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"ORIGINAL_POSITION", mysql.TypeLonglong, 64, 0, nil, nil},
|
||
|
|
{"COLUMN_DEFAULT", mysql.TypeBlob, 196606, 0, nil, nil},
|
||
|
|
{"IS_NULLABLE", mysql.TypeVarchar, 3, 0, nil, nil},
|
||
|
|
{"DATA_TYPE", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"CHARACTER_MAXIMUM_LENGTH", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"CHARACTOR_OCTET_LENGTH", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"NUMERIC_PRECISION", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"NUMERIC_SCALE", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"DATETIME_PRECISION", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"CHARACTER_SET_NAME", mysql.TypeVarchar, 32, 0, nil, nil},
|
||
|
|
{"COLLATION_NAME", mysql.TypeVarchar, 32, 0, nil, nil},
|
||
|
|
{"COLUMN_TYPE", mysql.TypeBlob, 196606, 0, nil, nil},
|
||
|
|
{"COLUMN_KEY", mysql.TypeVarchar, 3, 0, nil, nil},
|
||
|
|
{"EXTRA", mysql.TypeVarchar, 30, 0, nil, nil},
|
||
|
|
{"PRIVILEGES", mysql.TypeVarchar, 80, 0, nil, nil},
|
||
|
|
{"COLUMN_COMMENT", mysql.TypeVarchar, 1024, 0, nil, nil},
|
||
|
|
}
|
||
|
|
|
||
|
|
var statisticsCols = []columnInfo{
|
||
|
|
{"TABLE_CATALOG", mysql.TypeVarchar, 512, 0, nil, nil},
|
||
|
|
{"TABLE_SCHEMA", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"TABLE_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"NON_UNIQUE", mysql.TypeVarchar, 1, 0, nil, nil},
|
||
|
|
{"INDEX_SCHEMA", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"INDEX_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"SEQ_IN_INDEX", mysql.TypeLonglong, 2, 0, nil, nil},
|
||
|
|
{"COLUMN_NAME", mysql.TypeVarchar, 21, 0, nil, nil},
|
||
|
|
{"COLLATION", mysql.TypeVarchar, 1, 0, nil, nil},
|
||
|
|
{"CARDINALITY", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"SUB_PART", mysql.TypeLonglong, 3, 0, nil, nil},
|
||
|
|
{"PACKED", mysql.TypeVarchar, 10, 0, nil, nil},
|
||
|
|
{"NULLABLE", mysql.TypeVarchar, 3, 0, nil, nil},
|
||
|
|
{"INDEX_TYPE", mysql.TypeVarchar, 16, 0, nil, nil},
|
||
|
|
{"COMMENT", mysql.TypeVarchar, 16, 0, nil, nil},
|
||
|
|
{"INDEX_COMMENT", mysql.TypeVarchar, 1024, 0, nil, nil},
|
||
|
|
}
|
||
|
|
|
||
|
|
var profilingCols = []columnInfo{
|
||
|
|
{"QUERY_ID", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"SEQ", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"STATE", mysql.TypeVarchar, 30, 0, nil, nil},
|
||
|
|
{"DURATION", mysql.TypeNewDecimal, 9, 0, nil, nil},
|
||
|
|
{"CPU_USER", mysql.TypeNewDecimal, 9, 0, nil, nil},
|
||
|
|
{"CPU_SYSTEM", mysql.TypeNewDecimal, 9, 0, nil, nil},
|
||
|
|
{"CONTEXT_VOLUNTARY", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"CONTEXT_INVOLUNTARY", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"BLOCK_OPS_IN", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"BLOCK_OPS_OUT", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"MESSAGES_SENT", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"MESSAGES_RECEIVED", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"PAGE_FAULTS_MAJOR", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"PAGE_FAULTS_MINOR", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"SWAPS", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
{"SOURCE_FUNCTION", mysql.TypeVarchar, 30, 0, nil, nil},
|
||
|
|
{"SOURCE_FILE", mysql.TypeVarchar, 20, 0, nil, nil},
|
||
|
|
{"SOURCE_LINE", mysql.TypeLong, 20, 0, nil, nil},
|
||
|
|
}
|
||
|
|
|
||
|
|
var charsetCols = []columnInfo{
|
||
|
|
{"CHARACTER_SET_NAME", mysql.TypeVarchar, 32, 0, nil, nil},
|
||
|
|
{"DEFAULT_COLLATE_NAME", mysql.TypeVarchar, 32, 0, nil, nil},
|
||
|
|
{"DESCRIPTION", mysql.TypeVarchar, 60, 0, nil, nil},
|
||
|
|
{"MAXLEN", mysql.TypeLonglong, 3, 0, nil, nil},
|
||
|
|
}
|
||
|
|
|
||
|
|
var collationsCols = []columnInfo{
|
||
|
|
{"COLLATION_NAME", mysql.TypeVarchar, 32, 0, nil, nil},
|
||
|
|
{"CHARACTER_SET_NAME", mysql.TypeVarchar, 32, 0, nil, nil},
|
||
|
|
{"ID", mysql.TypeLonglong, 11, 0, nil, nil},
|
||
|
|
{"IS_DEFAULT", mysql.TypeVarchar, 3, 0, nil, nil},
|
||
|
|
{"IS_COMPILED", mysql.TypeVarchar, 3, 0, nil, nil},
|
||
|
|
{"SORTLEN", mysql.TypeLonglong, 3, 0, nil, nil},
|
||
|
|
}
|
||
|
|
|
||
|
|
func dataForCharacterSets() (records [][]types.Datum) {
|
||
|
|
records = append(records,
|
||
|
|
types.MakeDatums("ascii", "ascii_general_ci", "US ASCII", 1),
|
||
|
|
types.MakeDatums("binary", "binary", "Binary pseudo charset", 1),
|
||
|
|
types.MakeDatums("latin1", "latin1_swedish_ci", "cp1252 West European", 1),
|
||
|
|
types.MakeDatums("utf8", "utf8_general_ci", "UTF-8 Unicode", 3),
|
||
|
|
types.MakeDatums("utf8mb4", "utf8mb4_general_ci", "UTF-8 Unicode", 4),
|
||
|
|
)
|
||
|
|
return records
|
||
|
|
}
|
||
|
|
|
||
|
|
func dataForColltions() (records [][]types.Datum) {
|
||
|
|
records = append(records,
|
||
|
|
types.MakeDatums("ascii_general_ci", "ascii", 1, "Yes", "Yes", 1),
|
||
|
|
types.MakeDatums("binary", "binary", 2, "Yes", "Yes", 1),
|
||
|
|
types.MakeDatums("latin1_swedish_ci", "latin1", 3, "Yes", "Yes", 1),
|
||
|
|
types.MakeDatums("utf8_general_ci", "utf8", 4, "Yes", "Yes", 1),
|
||
|
|
types.MakeDatums("utf8mb4_general_ci", "utf8mb4", 5, "Yes", "Yes", 1),
|
||
|
|
)
|
||
|
|
return records
|
||
|
|
}
|
||
|
|
|
||
|
|
var filesCols = []columnInfo{
|
||
|
|
{"FILE_ID", mysql.TypeLonglong, 4, 0, nil, nil},
|
||
|
|
{"FILE_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"TABLESPACE_NAME", mysql.TypeVarchar, 20, 0, nil, nil},
|
||
|
|
{"TABLE_CATALOG", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"TABLE_SCHEMA", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"TABLE_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"LOGFILE_GROUP_NAME", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"LOGFILE_GROUP_NUMBER", mysql.TypeLonglong, 32, 0, nil, nil},
|
||
|
|
{"ENGINE", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"FULLTEXT_KEYS", mysql.TypeVarchar, 64, 0, nil, nil},
|
||
|
|
{"DELETED_ROWS", mysql.TypeLonglong, 4, 0, nil, nil},
|
||
|
|
{"UPDATE_COUNT", mysql.TypeLonglong, 4, 0, nil, nil},
|
||
|
|
{"FREE_EXTENTS", mysql.TypeLonglong, 4, 0, nil, nil},
|
||
|
|
{"TOTAL_EXTENTS", mysql.TypeLonglong, 4, 0, nil, nil},
|
||
|
|
{"EXTENT_SIZE", mysql.TypeLonglong, 4, 0, nil, nil},
|
||
|
|
{"INITIAL_SIZE", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"MAXIMUM_SIZE", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"AUTOEXTEND_SIZE", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"CREATION_TIME", mysql.TypeDatetime, -1, 0, nil, nil},
|
||
|
|
{"LAST_UPDATE_TIME", mysql.TypeDatetime, -1, 0, nil, nil},
|
||
|
|
{"LAST_ACCESS_TIME", mysql.TypeDatetime, -1, 0, nil, nil},
|
||
|
|
{"RECOVER_TIME", mysql.TypeLonglong, 4, 0, nil, nil},
|
||
|
|
{"TRANSACTION_COUNTER", mysql.TypeLonglong, 4, 0, nil, nil},
|
||
|
|
{"VERSION", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"ROW_FORMAT", mysql.TypeVarchar, 21, 0, nil, nil},
|
||
|
|
{"TABLE_ROWS", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"AVG_ROW_LENGTH", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"DATA_FREE", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"CREATE_TIME", mysql.TypeDatetime, -1, 0, nil, nil},
|
||
|
|
{"UPDATE_TIME", mysql.TypeDatetime, -1, 0, nil, nil},
|
||
|
|
{"CHECK_TIME", mysql.TypeDatetime, -1, 0, nil, nil},
|
||
|
|
{"CHECKSUM", mysql.TypeLonglong, 21, 0, nil, nil},
|
||
|
|
{"STATUS", mysql.TypeVarchar, 20, 0, nil, nil},
|
||
|
|
{"EXTRA", mysql.TypeVarchar, 255, 0, nil, nil},
|
||
|
|
}
|
||
|
|
|
||
|
|
func dataForSchemata(schemas []string) [][]types.Datum {
|
||
|
|
sort.Strings(schemas)
|
||
|
|
rows := [][]types.Datum{}
|
||
|
|
for _, schema := range schemas {
|
||
|
|
record := types.MakeDatums(
|
||
|
|
catalogVal, // CATALOG_NAME
|
||
|
|
schema, // SCHEMA_NAME
|
||
|
|
mysql.DefaultCharset, // DEFAULT_CHARACTER_SET_NAME
|
||
|
|
mysql.DefaultCollationName, // DEFAULT_COLLATION_NAME
|
||
|
|
nil,
|
||
|
|
)
|
||
|
|
rows = append(rows, record)
|
||
|
|
}
|
||
|
|
return rows
|
||
|
|
}
|
||
|
|
|
||
|
|
func dataForTables(schemas []*model.DBInfo) [][]types.Datum {
|
||
|
|
rows := [][]types.Datum{}
|
||
|
|
for _, schema := range schemas {
|
||
|
|
for _, table := range schema.Tables {
|
||
|
|
record := types.MakeDatums(
|
||
|
|
catalogVal, // TABLE_CATALOG
|
||
|
|
schema.Name.O, // TABLE_SCHEMA
|
||
|
|
table.Name.O, // TABLE_NAME
|
||
|
|
"BASE_TABLE", // TABLE_TYPE
|
||
|
|
"InnoDB", // ENGINE
|
||
|
|
uint64(10), // VERSION
|
||
|
|
"Compact", // ROW_FORMAT
|
||
|
|
uint64(0), // TABLE_ROWS
|
||
|
|
uint64(0), // AVG_ROW_LENGTH
|
||
|
|
uint64(16384), // DATA_LENGTH
|
||
|
|
uint64(0), // MAX_DATA_LENGTH
|
||
|
|
uint64(0), // INDEX_LENGTH
|
||
|
|
uint64(0), // DATA_FREE
|
||
|
|
nil, // AUTO_INCREMENT
|
||
|
|
nil, // CREATE_TIME
|
||
|
|
nil, // UPDATE_TIME
|
||
|
|
nil, // CHECK_TIME
|
||
|
|
"latin1_swedish_ci", // TABLE_COLLATION
|
||
|
|
nil, // CHECKSUM
|
||
|
|
"", // CREATE_OPTIONS
|
||
|
|
"", // TABLE_COMMENT
|
||
|
|
)
|
||
|
|
rows = append(rows, record)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return rows
|
||
|
|
}
|
||
|
|
|
||
|
|
func dataForColumns(schemas []*model.DBInfo) [][]types.Datum {
|
||
|
|
rows := [][]types.Datum{}
|
||
|
|
for _, schema := range schemas {
|
||
|
|
for _, table := range schema.Tables {
|
||
|
|
rs := dataForColumnsInTable(schema, table)
|
||
|
|
for _, r := range rs {
|
||
|
|
rows = append(rows, r)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return rows
|
||
|
|
}
|
||
|
|
|
||
|
|
func dataForColumnsInTable(schema *model.DBInfo, table *model.TableInfo) [][]types.Datum {
|
||
|
|
rows := [][]types.Datum{}
|
||
|
|
for i, col := range table.Columns {
|
||
|
|
colLen := col.Flen
|
||
|
|
if colLen == types.UnspecifiedLength {
|
||
|
|
colLen = mysql.GetDefaultFieldLength(col.Tp)
|
||
|
|
}
|
||
|
|
decimal := col.Decimal
|
||
|
|
if decimal == types.UnspecifiedLength {
|
||
|
|
decimal = 0
|
||
|
|
}
|
||
|
|
columnType := col.FieldType.CompactStr()
|
||
|
|
columnDesc := column.NewColDesc(&column.Col{ColumnInfo: *col})
|
||
|
|
var columnDefault interface{}
|
||
|
|
if columnDesc.DefaultValue != nil {
|
||
|
|
columnDefault = fmt.Sprintf("%v", columnDesc.DefaultValue)
|
||
|
|
}
|
||
|
|
record := types.MakeDatums(
|
||
|
|
catalogVal, // TABLE_CATALOG
|
||
|
|
schema.Name.O, // TABLE_SCHEMA
|
||
|
|
table.Name.O, // TABLE_NAME
|
||
|
|
col.Name.O, // COLUMN_NAME
|
||
|
|
i+1, // ORIGINAL_POSITION
|
||
|
|
columnDefault, // COLUMN_DEFAULT
|
||
|
|
columnDesc.Null, // IS_NULLABLE
|
||
|
|
types.TypeToStr(col.Tp, col.Charset), // DATA_TYPE
|
||
|
|
colLen, // CHARACTER_MAXIMUM_LENGTH
|
||
|
|
colLen, // CHARACTOR_OCTET_LENGTH
|
||
|
|
decimal, // NUMERIC_PRECISION
|
||
|
|
0, // NUMERIC_SCALE
|
||
|
|
0, // DATETIME_PRECISION
|
||
|
|
col.Charset, // CHARACTER_SET_NAME
|
||
|
|
col.Collate, // COLLATION_NAME
|
||
|
|
columnType, // COLUMN_TYPE
|
||
|
|
columnDesc.Key, // COLUMN_KEY
|
||
|
|
columnDesc.Extra, // EXTRA
|
||
|
|
"select,insert,update,references", // PRIVILEGES
|
||
|
|
"", // COLUMN_COMMENT
|
||
|
|
)
|
||
|
|
rows = append(rows, record)
|
||
|
|
}
|
||
|
|
return rows
|
||
|
|
}
|
||
|
|
|
||
|
|
func dataForStatistics(schemas []*model.DBInfo) [][]types.Datum {
|
||
|
|
rows := [][]types.Datum{}
|
||
|
|
for _, schema := range schemas {
|
||
|
|
for _, table := range schema.Tables {
|
||
|
|
rs := dataForStatisticsInTable(schema, table)
|
||
|
|
for _, r := range rs {
|
||
|
|
rows = append(rows, r)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return rows
|
||
|
|
}
|
||
|
|
|
||
|
|
func dataForStatisticsInTable(schema *model.DBInfo, table *model.TableInfo) [][]types.Datum {
|
||
|
|
rows := [][]types.Datum{}
|
||
|
|
if table.PKIsHandle {
|
||
|
|
for _, col := range table.Columns {
|
||
|
|
if mysql.HasPriKeyFlag(col.Flag) {
|
||
|
|
record := types.MakeDatums(
|
||
|
|
catalogVal, // TABLE_CATALOG
|
||
|
|
schema.Name.O, // TABLE_SCHEMA
|
||
|
|
table.Name.O, // TABLE_NAME
|
||
|
|
"0", // NON_UNIQUE
|
||
|
|
schema.Name.O, // INDEX_SCHEMA
|
||
|
|
"PRIMARY", // INDEX_NAME
|
||
|
|
1, // SEQ_IN_INDEX
|
||
|
|
col.Name.O, // COLUMN_NAME
|
||
|
|
"A", // COLLATION
|
||
|
|
0, // CARDINALITY
|
||
|
|
nil, // SUB_PART
|
||
|
|
nil, // PACKED
|
||
|
|
"", // NULLABLE
|
||
|
|
"BTREE", // INDEX_TYPE
|
||
|
|
"", // COMMENT
|
||
|
|
"", // INDEX_COMMENT
|
||
|
|
)
|
||
|
|
rows = append(rows, record)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
nameToCol := make(map[string]*model.ColumnInfo, len(table.Columns))
|
||
|
|
for _, c := range table.Columns {
|
||
|
|
nameToCol[c.Name.L] = c
|
||
|
|
}
|
||
|
|
for _, index := range table.Indices {
|
||
|
|
nonUnique := "1"
|
||
|
|
if index.Unique {
|
||
|
|
nonUnique = "0"
|
||
|
|
}
|
||
|
|
for i, key := range index.Columns {
|
||
|
|
col := nameToCol[key.Name.L]
|
||
|
|
nullable := "YES"
|
||
|
|
if mysql.HasNotNullFlag(col.Flag) {
|
||
|
|
nullable = ""
|
||
|
|
}
|
||
|
|
record := types.MakeDatums(
|
||
|
|
catalogVal, // TABLE_CATALOG
|
||
|
|
schema.Name.O, // TABLE_SCHEMA
|
||
|
|
table.Name.O, // TABLE_NAME
|
||
|
|
nonUnique, // NON_UNIQUE
|
||
|
|
schema.Name.O, // INDEX_SCHEMA
|
||
|
|
index.Name.O, // INDEX_NAME
|
||
|
|
i+1, // SEQ_IN_INDEX
|
||
|
|
key.Name.O, // COLUMN_NAME
|
||
|
|
"A", // COLLATION
|
||
|
|
0, // CARDINALITY
|
||
|
|
nil, // SUB_PART
|
||
|
|
nil, // PACKED
|
||
|
|
nullable, // NULLABLE
|
||
|
|
"BTREE", // INDEX_TYPE
|
||
|
|
"", // COMMENT
|
||
|
|
"", // INDEX_COMMENT
|
||
|
|
)
|
||
|
|
rows = append(rows, record)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return rows
|
||
|
|
}
|
||
|
|
|
||
|
|
var tableNameToColumns = map[string]([]columnInfo){
|
||
|
|
tableSchemata: schemataCols,
|
||
|
|
tableTables: tablesCols,
|
||
|
|
tableColumns: columnsCols,
|
||
|
|
tableStatistics: statisticsCols,
|
||
|
|
tableCharacterSets: charsetCols,
|
||
|
|
tableCollations: collationsCols,
|
||
|
|
tableFiles: filesCols,
|
||
|
|
tableProfiling: profilingCols,
|
||
|
|
}
|
||
|
|
|
||
|
|
func createMemoryTable(meta *model.TableInfo, alloc autoid.Allocator) (table.Table, error) {
|
||
|
|
tbl, _ := tables.MemoryTableFromMeta(alloc, meta)
|
||
|
|
return tbl, nil
|
||
|
|
}
|