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schema_sqlite.go
53 lines (50 loc) · 1.34 KB
/
schema_sqlite.go
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package ginbro
import (
"database/sql"
"fmt"
)
func fetchSchemaSQLite(addr, user, password, database, charset string) ([]ColumnSchema, error) {
db, err := newDb("sqlite3", addr, user, password, database, charset)
defer db.Close()
if err != nil {
return nil, err
}
var list []ColumnSchema
//TODO::找不到table info BUG
rawSql := `SELECT tbl_name FROM sqlite_master WHERE type = 'table'`
rows, err := db.Query(rawSql, database)
defer rows.Close()
if err != nil {
return nil, err
}
for rows.Next() {
var tableName sql.NullString
if err = rows.Scan(&tableName); err != nil {
return nil, fmt.Errorf("get %s slqite tables failed, [ERROR] %s", database, err)
} else {
cols, err := db.Query("PRAGMA table_info('?')", tableName.String)
if err != nil {
return nil, err
}
for cols.Next() {
var cCid, columnName, columnType, cNotnull, cDfltValue, cPk sql.NullString
if err = rows.Scan(&cCid, &columnName, &columnType, &cNotnull, &cDfltValue, &cPk); err != nil {
return nil, fmt.Errorf("[Error]%s [table]%s", err, tableName.String)
} else {
node := ColumnSchema{tableName.String,
columnName.String,
columnType.String,
"",
"",
cPk.String}
if cPk.String == "1" {
node.ColumnKey = "PRI"
}
list = append(list, node)
}
}
cols.Close()
}
}
return list, nil
}