public async Task SyncDb(SyncDbCfg cfg, ILogger log, IReadOnlyCollection <string> tables = null, bool fullLoad = false, int optionLimit = 0)
{
var toRun = cfg.Tables.Where(t => tables == null || !tables.Any() || tables.Contains(t.Name)).ToArray();
var dur = await toRun.BlockAction(async t => {
var tableLog = log.ForContext("Table", t.Name);
tableLog.Information("Table Sync {Table} - started", t.Name);
using var sourceConn = await Snowflake.OpenConnection(log);
using var destConn = await SqlServerCfg.OpenConnection(tableLog);
var sync = new DbSync(
new SnowflakeSourceDb((SnowflakeDbConnection)sourceConn.Conn, Snowflake.Cfg.Schema, tableLog),
new MsSqlDestDb(destConn, SqlServerCfg.DefaultSchema, t.FullTextCatalog, tableLog));
var res = await sync.UpdateTable(t, tableLog, fullLoad, optionLimit)
.WithWrappedException($"sync table '{t.Name}'", tableLog) // log the error and rethrow. Won't interrupt untill other sync have completed
.WithDuration();
tableLog.Information("Talbe sync {Table} - completed in {Duration}", t.Name, res.HumanizeShort());
}, cfg.Parallel).WithDuration();
log.Information("Completed loading {Tables} in {Duration}", toRun.Select(t => t.Name), dur.Duration.HumanizeShort());
}
public async Task SyncDb(ILogger log, CancellationToken cancel, IReadOnlyCollection <string> restrictTables = null, bool fullLoad = false,
int optionLimit = 0)
{
var tables = new[] {
new SyncTableCfg("video_stats",
new SyncColCfg("video_id")
{
Id = true, SqlType = "varchar(20)"
}, // this is a big table, so optimising for perf with types more than normal
new SyncColCfg("date")
{
Id = true, SqlType = "date"
},
new SyncColCfg("channel_id")
{
SqlType = "varchar(30)"
},
new SyncColCfg("views")
{
SqlType = "float"
},
new SyncColCfg("watch_hours")
{
SqlType = "float"
},
new SyncColCfg("tags")
{
SqlType = "varchar(1000)"
},
new SyncColCfg("lr")
{
SqlType = "varchar(10)"
}
)
{
Sql = @"select d.*, array_to_string(cl.tags, '|') as tags, cl.lr
from video_stats_daily d
inner join channel_latest cl on d.channel_id = cl.channel_id"
}
};
var toRun = tables.Where(t => restrictTables == null || !restrictTables.Any() || restrictTables.Contains(t.Name)).ToArray();
var dur = await toRun.BlockAction(async t => {
var tableLog = log.ForContext("Table", t.Name);
tableLog.Information("Table Sync {Table} - started", t.Name);
using var sourceConn = await Snowflake.OpenConnection(log);
using var destConn = await SqlServerCfg.OpenConnection(tableLog);
var sync = new DbSync(
new SnowflakeSourceDb(sourceConn.Conn, Snowflake.Cfg.Schema, WhCfg.Stage, WhCfg.FileMb.Megabytes(), tableLog),
new MsSqlDestDb(destConn.Conn, Version.Prerelease.HasValue() ? Version.Prerelease : SqlServerCfg.DefaultSchema, tableLog), Store);
var res = await sync.UpdateTable(t, tableLog, cancel, fullLoad, optionLimit)
.WithWrappedException($"sync table '{t.Name}'", tableLog) // log the error and rethrow. Won't interrupt untill other sync have completed
.WithDuration();
tableLog.Information("Table sync {Table} - completed in {Duration}", t.Name, res.HumanizeShort());
}, Cfg.Parallel).WithDuration();
log.Information("Completed loading {Tables} in {Duration}", toRun.Select(t => t.Name), dur.Duration.HumanizeShort());
}