hucan
8ae43bfba9
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70 lines
2.4 KiB
Go
70 lines
2.4 KiB
Go
package tools
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import (
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"errors"
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"github.com/go-admin-team/go-admin-core/sdk/config"
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"github.com/go-admin-team/go-admin-core/sdk/pkg"
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"gorm.io/gorm"
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)
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type DBColumns struct {
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TableSchema string `gorm:"column:TABLE_SCHEMA" json:"tableSchema"`
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TableName string `gorm:"column:TABLE_NAME" json:"tableName"`
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ColumnName string `gorm:"column:COLUMN_NAME" json:"columnName"`
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ColumnDefault string `gorm:"column:COLUMN_DEFAULT" json:"columnDefault"`
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IsNullable string `gorm:"column:IS_NULLABLE" json:"isNullable"`
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DataType string `gorm:"column:DATA_TYPE" json:"dataType"`
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CharacterMaximumLength string `gorm:"column:CHARACTER_MAXIMUM_LENGTH" json:"characterMaximumLength"`
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CharacterSetName string `gorm:"column:CHARACTER_SET_NAME" json:"characterSetName"`
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ColumnType string `gorm:"column:COLUMN_TYPE" json:"columnType"`
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ColumnKey string `gorm:"column:COLUMN_KEY" json:"columnKey"`
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Extra string `gorm:"column:EXTRA" json:"extra"`
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ColumnComment string `gorm:"column:COLUMN_COMMENT" json:"columnComment"`
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}
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func (e *DBColumns) GetPage(tx *gorm.DB, pageSize int, pageIndex int) ([]DBColumns, int, error) {
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var doc []DBColumns
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var count int64
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table := new(gorm.DB)
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if config.DatabaseConfig.Driver == "mysql" {
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table = tx.Table("information_schema.`COLUMNS`")
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table = table.Where("table_schema= ? ", config.GenConfig.DBName)
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if e.TableName != "" {
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return nil, 0, errors.New("table name cannot be empty！")
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}
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table = table.Where("TABLE_NAME = ?", e.TableName)
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}
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if err := table.Offset((pageIndex - 1) * pageSize).Limit(pageSize).Find(&doc).Offset(-1).Limit(-1).Count(&count).Error; err != nil {
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return nil, 0, err
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}
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//table.Count(&count)
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return doc, int(count), nil
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}
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func (e *DBColumns) GetList(tx *gorm.DB) ([]DBColumns, error) {
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var doc []DBColumns
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table := new(gorm.DB)
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if e.TableName == "" {
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return nil, errors.New("table name cannot be empty！")
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}
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if config.DatabaseConfig.Driver == "mysql" {
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table = tx.Table("information_schema.columns")
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table = table.Where("table_schema= ? ", config.GenConfig.DBName)
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table = table.Where("TABLE_NAME = ?", e.TableName).Order("ORDINAL_POSITION asc")
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} else {
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pkg.Assert(true, "目前只支持mysql数据库", 500)
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}
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if err := table.Find(&doc).Error; err != nil {
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return doc, err
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}
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return doc, nil
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} |