github.com/matrixorigin/matrixone@v0.7.0/pkg/vm/engine/tae/catalog/model.go (about)

     1  // Copyright 2021 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package catalog
    16  
    17  import (
    18  	"github.com/matrixorigin/matrixone/pkg/catalog"
    19  	"github.com/matrixorigin/matrixone/pkg/container/types"
    20  )
    21  
    22  var (
    23  	PhyAddrColumnType types.Type
    24  )
    25  
    26  const (
    27  	PhyAddrColumnName    = catalog.Row_ID
    28  	PhyAddrColumnComment = "Physical address"
    29  	SortKeyNamePrefx     = "_SORT_"
    30  
    31  	AttrRowID    = PhyAddrColumnName
    32  	AttrCommitTs = "commit_time"
    33  	AttrAborted  = "aborted"
    34  
    35  	TenantSysID              = uint32(0)
    36  	SystemSegment_DB_ID      = uint64(101)
    37  	SystemSegment_Table_ID   = uint64(102)
    38  	SystemSegment_Columns_ID = uint64(103)
    39  	SystemBlock_DB_ID        = uint64(201)
    40  	SystemBlock_Table_ID     = uint64(202)
    41  	SystemBlock_Columns_ID   = uint64(203)
    42  )
    43  
    44  var SystemDBSchema *Schema
    45  var SystemTableSchema *Schema
    46  var SystemColumnSchema *Schema
    47  
    48  const (
    49  	ModelSchemaName   = "_ModelSchema"
    50  	ModelAttrET       = "ET"
    51  	ModelAttrID       = "ID"
    52  	ModelAttrName     = "NAME"
    53  	ModelAttrTS       = "TS"
    54  	ModelAttrOpT      = "OPT"
    55  	ModelAttrLogIdx   = "LOGIDX"
    56  	ModelAttrInfo     = "INFO"
    57  	ModelAttrParentID = "PARENTID"
    58  )
    59  
    60  func init() {
    61  	var err error
    62  	PhyAddrColumnType = types.T_Rowid.ToType()
    63  
    64  	SystemDBSchema = NewEmptySchema(catalog.MO_DATABASE)
    65  	for i, colname := range catalog.MoDatabaseSchema {
    66  		if i == 0 {
    67  			if err = SystemDBSchema.AppendPKCol(colname, catalog.MoDatabaseTypes[i], 0); err != nil {
    68  				panic(err)
    69  			}
    70  		} else {
    71  			if err = SystemDBSchema.AppendCol(colname, catalog.MoDatabaseTypes[i]); err != nil {
    72  				panic(err)
    73  			}
    74  		}
    75  	}
    76  	if err = SystemDBSchema.Finalize(true); err != nil {
    77  		panic(err)
    78  	}
    79  
    80  	SystemTableSchema = NewEmptySchema(catalog.MO_TABLES)
    81  	for i, colname := range catalog.MoTablesSchema {
    82  		if i == 0 {
    83  			if err = SystemTableSchema.AppendPKCol(colname, catalog.MoTablesTypes[i], 0); err != nil {
    84  				panic(err)
    85  			}
    86  		} else {
    87  			if err = SystemTableSchema.AppendCol(colname, catalog.MoTablesTypes[i]); err != nil {
    88  				panic(err)
    89  			}
    90  		}
    91  	}
    92  	if err = SystemTableSchema.Finalize(true); err != nil {
    93  		panic(err)
    94  	}
    95  
    96  	SystemColumnSchema = NewEmptySchema(catalog.MO_COLUMNS)
    97  	for i, colname := range catalog.MoColumnsSchema {
    98  		if i == 0 {
    99  			if err = SystemColumnSchema.AppendPKCol(colname, catalog.MoColumnsTypes[i], 0); err != nil {
   100  				panic(err)
   101  			}
   102  		} else {
   103  			if err = SystemColumnSchema.AppendCol(colname, catalog.MoColumnsTypes[i]); err != nil {
   104  				panic(err)
   105  			}
   106  		}
   107  	}
   108  	if err = SystemColumnSchema.Finalize(true); err != nil {
   109  		panic(err)
   110  	}
   111  }