csv2db

create db util source from csv

How to use csv2dbsrc

Use in Nim project directory

first, exec csv2dbsrc

$ csv2dbsrc
select database type
1: sqlite
2: mysql
>> 1
input database file name
>> test.db
make database table csv referencing path/to/sample.csv

then copy and modify sample.csv in same directory.
the csv file name should be the table name.

sample.csv |name|comment|data_type|default_val|not_null|is_primary| ----|----|----|----|----|---- |id|user id|INTEGER||1|1| |user_name|user name|TEXT||1|| |address||TEXT|||| |tel||TEXT|'000-0000-0000'||| |group_id|user's group id|INTEGER|1|1|| |updated_at|updated date time|DATETIME|'9999-12-31'|1||

then exec csv2dbsrc again to make dbtables.nim and each tableName.nim file.

Made files usage

import dbtables in your own source.

openDb*

proc openDb*(): DbConn =

createTables*

proc createTables*(db: DbConn) =

exec createTableNameTable each tables.

type

TableNameCol* = enum

table column names.

TableNameTable* = object

table object.

setDataTableNameTable*

proc setDataTableNameTable*(data: var TableNameTable, colName, value: string) =

set value to TableNameTable object by string.

createTableNameTable*

proc createTableNameTable*(db: DbConn) =

exec create table if not exists table_name

tryInsertTableNameTable*

proc tryInsertTableNameTable*(db: DbConn, rowData: TestTableTable): int64 =

exec insert into table_name and return last_insert_rowid.

insertTableNameTable*

proc insertTableNameTable*(db: DbConn, rowData: TableNameTable) =

exec insert into table_name

insertTableNameTable*

proc insertTableNameTable*(db: DbConn, rowDataSeq: seq[TableNameTable]) =

exec insert into table_name for each rowData.

selectTableNameTable*

proc selectTableNameTable*(db: DbConn, whereStr = "", orderBy: seq[string], whereVals: varargs[string, `$`]): seq[TableNameTable] =

exec select * from table_name and return the result.

selectTableNameTable*

proc selectTestTableTable*(db: DbConn, whereStr = "", whereVals: varargs[string, `$`]): seq[TestTableTable] =

exec select * from table_name without order and return the result.

updateTableNameTable*

proc updateTableNameTable*(db: DbConn, rowData: TableNameTable) =

exec update table_name
rowData must be got by selectTableNameTable and table must have primary key.

updateTableNameTable*

proc updateTableNameTable*(db: DbConn, rowDataSeq: seq[TableNameTable]) =

exec update table_name for each rowData.

dumpTableNameTable*

proc dumpTableNameTable*(db: DbConn, dirName = "csv") =

make db table data csv.

insertCsvTableNameTable*

proc insertCsvTableNameTable*(db: DbConn, fileName: string) =

insert rows from fileName csv. this proc not check exists rows.

restoreTableNameTable*

proc restoreTableNameTable*(db: DbConn, dirName = "csv") =

drop table and make table by data csv.

Pull Request please

Test for mysql is not enough.

If you can use Japanese, please make pull request in Japanese!