-
Notifications
You must be signed in to change notification settings - Fork 36
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
* add sqlite support * prepare sqlite database for ci * do not fail if sqlite database does not exists when preparing * fix file piping * use relative path for sqlite database file
- Loading branch information
Showing
13 changed files
with
290 additions
and
51 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| package database | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| _ "modernc.org/sqlite" | ||
| ) | ||
|
|
||
| type sqliteConnector baseConnector | ||
|
|
||
| func (c *sqliteConnector) GetDbType() DbType { | ||
| return c.dbType | ||
| } | ||
|
|
||
| func getFilenameFromConnectionString(connectionString string) string { | ||
| return strings.Replace(connectionString, "sqlite3://", "", 1) | ||
| } | ||
|
|
||
| func (c *sqliteConnector) Connect() error { | ||
| db, err := sql.Open(c.dbType.String(), getFilenameFromConnectionString(c.connectionString)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if err := db.Ping(); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| c.db = db | ||
| return nil | ||
| } | ||
|
|
||
| func (c *sqliteConnector) Close() { | ||
| err := c.db.Close() | ||
| if err != nil { | ||
| fmt.Println("could not close database connection", err) | ||
| } | ||
| } | ||
|
|
||
| func (c *sqliteConnector) GetSchemas() ([]string, error) { | ||
| fileName := getFilenameFromConnectionString(c.connectionString) | ||
| schema := strings.Replace(fileName, ".db", "", 1) | ||
| return []string{schema}, nil | ||
| } | ||
|
|
||
| func (c *sqliteConnector) GetTables(schemaNames []string) ([]TableDetail, error) { | ||
| rows, err := c.db.Query(` | ||
| select distinct tbl_name | ||
| from sqlite_schema | ||
| `) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var tables []TableDetail | ||
| for rows.Next() { | ||
| table := TableDetail{Schema: schemaNames[0]} | ||
| if err = rows.Scan(&table.Name); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| table.Name = SanitizeValue(table.Name) | ||
| tables = append(tables, table) | ||
| } | ||
|
|
||
| return tables, nil | ||
| } | ||
|
|
||
| func (c *sqliteConnector) GetColumns(tableName TableDetail) ([]ColumnResult, error) { | ||
| rows, err := c.db.Query(` | ||
| select | ||
| t.name, | ||
| type, | ||
| pk > 0, -- first pk has 1, second has 2 ... | ||
| (case when fk.id is not null then 1 else 0 end) "isForeign", | ||
| (case when t."notnull" = true then false else true end) "nullable", | ||
| coalesce( | ||
| (select (case when i."unique" = true and i.origin = "u" then true else false end) "isUnique" | ||
| from pragma_index_list(:tableName) i | ||
| left join pragma_index_info(i.name) ii | ||
| where ii.name = t.name), | ||
| 0 | ||
| ) "isUnique" | ||
| from pragma_table_info(:tableName) t | ||
| left join pragma_foreign_key_list(:tableName) fk on t.name = fk."from"; | ||
| `, sql.Named("tableName", tableName.Name)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var columns []ColumnResult | ||
| for rows.Next() { | ||
| var column ColumnResult | ||
| if err = rows.Scan(&column.Name, &column.DataType, &column.IsPrimary, &column.IsForeign, &column.IsNullable, &column.IsUnique); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| column.Name = SanitizeValue(column.Name) | ||
| column.DataType = SanitizeValue(column.DataType) | ||
|
|
||
| columns = append(columns, column) | ||
| } | ||
|
|
||
| return columns, nil | ||
| } | ||
|
|
||
| func (c *sqliteConnector) GetConstraints(tableName TableDetail) ([]ConstraintResult, error) { | ||
| rows, err := c.db.Query(` | ||
| select | ||
| pk."table" "pkTableName", | ||
| fk.name "pkTableName", | ||
| pk."from", | ||
| coalesce((select pk > 0 from pragma_table_info(fk.name) ti where ti.name = pk."from"), 0) "isPrimary", -- first pk has 1, second has 2 ... | ||
| coalesce((select count(*) > 1 from pragma_table_info(fk.name) ti where pk > 0), 0) "hasMultiplePK" | ||
| from sqlite_master fk | ||
| join pragma_foreign_key_list(fk.name) pk on pk."table" != fk.name | ||
| where fk.name = :tableName or pk."table" = :tableName | ||
| `, sql.Named("tableName", tableName.Name)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var constraints []ConstraintResult | ||
| for rows.Next() { | ||
| constraint := ConstraintResult{ | ||
| PkSchema: tableName.Schema, | ||
| FkSchema: tableName.Schema, // sqlite only has one schema | ||
| } | ||
| err = rows.Scan( | ||
| &constraint.PkTable, | ||
| &constraint.FkTable, | ||
| &constraint.ColumnName, | ||
| &constraint.IsPrimary, | ||
| &constraint.HasMultiplePK, | ||
| ) | ||
|
|
||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| constraints = append(constraints, constraint) | ||
| } | ||
|
|
||
| return constraints, nil | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Oops, something went wrong.