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refactor: dbms优化

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This commit is contained in:
meilin.huang
2024-03-18 12:25:40 +08:00
parent bd1e83989d
commit 68e0088016
21 changed files with 349 additions and 414 deletions
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64
server/internal/db/dbm/dbi/metadata.go
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@@ -2,6 +2,7 @@ package dbi
import (
"embed"
"fmt"
"mayfly-go/pkg/biz"
"mayfly-go/pkg/utils/collx"
"mayfly-go/pkg/utils/stringx"
@@ -57,16 +58,30 @@ type Table struct {
// 表的列信息
type Column struct {
TableName string `json:"tableName"` // 表名
ColumnName string `json:"columnName"` // 列名
ColumnType string `json:"columnType"` // 列类型
ColumnComment string `json:"columnComment"` // 列备注
IsPrimaryKey bool `json:"isPrimaryKey"` // 是否为主键
IsIdentity bool `json:"isIdentity"` // 是否自增
ColumnDefault string `json:"columnDefault"` // 默认值
Nullable string `json:"nullable"` // 是否可为null
NumScale string `json:"numScale"` // 小数点
Extra collx.M `json:"extra"` // 其他额外信息
TableName string `json:"tableName"` // 表名
ColumnName string `json:"columnName"` // 列名
ColumnType string `json:"columnType"` // 列类型,包含类型等描述（后续移除）
DataType ColumnDataType `json:"dataType"` // 数据类型
ColumnComment string `json:"columnComment"` // 列备注
IsPrimaryKey bool `json:"isPrimaryKey"` // 是否为主键
IsIdentity bool `json:"isIdentity"` // 是否自增
ColumnDefault string `json:"columnDefault"` // 默认值
Nullable string `json:"nullable"` // 是否可为null
CharMaxLength int `json:"charMaxLength"` // 字符最大长度
NumPrecision int `json:"numPrecision"` // 精度(总数字位数)
NumScale int `json:"numScale"` // 小数点位数
Extra collx.M `json:"extra"` // 其他额外信息
}
// 获取列类型，拼接数据类型与长度等。如varchar(2000)，decimal(20,2)
func (c *Column) GetColumnType() string {
if c.CharMaxLength > 0 {
return fmt.Sprintf("%s(%d)", c.DataType, c.CharMaxLength)
}
if c.NumPrecision > 0 {
return fmt.Sprintf("%s(%d,%d)", c.DataType, c.NumPrecision, c.NumScale)
}
return string(c.DataType)
}
// 表索引信息
@@ -79,6 +94,35 @@ type Index struct {
IsUnique bool `json:"isUnique"`
}
type ColumnDataType string
const (
CommonTypeVarchar ColumnDataType = "varchar"
CommonTypeChar ColumnDataType = "char"
CommonTypeText ColumnDataType = "text"
CommonTypeBlob ColumnDataType = "blob"
CommonTypeLongblob ColumnDataType = "longblob"
CommonTypeLongtext ColumnDataType = "longtext"
CommonTypeBinary ColumnDataType = "binary"
CommonTypeMediumblob ColumnDataType = "mediumblob"
CommonTypeMediumtext ColumnDataType = "mediumtext"
CommonTypeVarbinary ColumnDataType = "varbinary"
CommonTypeInt ColumnDataType = "int"
CommonTypeSmallint ColumnDataType = "smallint"
CommonTypeTinyint ColumnDataType = "tinyint"
CommonTypeNumber ColumnDataType = "number"
CommonTypeBigint ColumnDataType = "bigint"
CommonTypeDatetime ColumnDataType = "datetime"
CommonTypeDate ColumnDataType = "date"
CommonTypeTime ColumnDataType = "time"
CommonTypeTimestamp ColumnDataType = "timestamp"
CommonTypeEnum ColumnDataType = "enum"
CommonTypeJSON ColumnDataType = "json"
)
type DataType string
const (