Mercurial > gemma
view cmd/octree2contour/db.go @ 920:862cc5ba4d1d
Merge contour lines
Lines have been stored as multilinestrings comprised of adjacent
2-vertex linestrings. Merging these to longer linestrings will
allow further processing such as simplification.
author | Tom Gottfried <tom@intevation.de> |
---|---|
date | Thu, 04 Oct 2018 17:46:59 +0200 |
parents | a9783d8f74ed |
children |
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package main import ( "database/sql" "flag" "github.com/jackc/pgx" "github.com/jackc/pgx/stdlib" ) var ( dbhost = flag.String("dbhost", "localhost", "database host") dbport = flag.Uint("dbport", 5432, "database port") dbname = flag.String("dbname", "gemma", "database user") dbuser = flag.String("dbuser", "scott", "database user") dbpassword = flag.String("dbpw", "tiger", "database password") dbssl = flag.String("dbssl", "prefer", "database SSL mode") ) func run(fn func(*sql.DB) error) error { // To ease SSL config ride a bit on parsing. cc, err := pgx.ParseConnectionString("sslmode=" + *dbssl) if err != nil { return err } // Do the rest manually to allow whitespace in user/password. cc.Host = *dbhost cc.Port = uint16(*dbport) cc.User = *dbuser cc.Password = *dbpassword cc.Database = *dbname db := stdlib.OpenDB(cc) defer db.Close() return fn(db) }