go-scopes/storage/tracking/sql_code.go

64 lines
1.9 KiB
Go

package tracking
import (
"text/template"
"git.sr.ht/~cco/go-scopes/storage"
)
const (
sql_table = `
{{- $tablename := or (and .schema (printf "%s.%s" .schema .tablename)) .tablename -}}
{{- $json := or .params.jsonType "json" -}}
create table if not exists {{ $tablename }} (
trackid {{ or .params.idType "integer" }} primary key,
{{ range .headFields -}}{{ toLower . }} text default '',
{{ end -}}
timestamp timestamptz default current_timestamp,
data {{ $json }}
);
{{- range $i, $cols := .indexes }}
create index idx_{{ $.tablename }}_{{ add1 $i }} on {{ $tablename }} (
{{- range $j, $c := $cols -}}
{{- if ne $j 0 -}}, {{ end }}{{ toLower $c }}
{{- end -}}
);
{{- end }}
create index idx_{{ $.tablename }}_ts on {{ $tablename }} (timestamp);
`
sql_insert = `
{{- $tablename := or (and .schema (printf "%s.%s" .schema .tablename)) .tablename -}}
insert into {{ $tablename }} (
{{- range $j, $c := .columns -}}
{{- if ne $j 0 -}}, {{ end }}{{ toLower $c }}
{{- end -}})
values (
{{- range $j, $c := .columns -}}
{{- if ne $j 0 -}}, {{ end }}${{ add1 $j }}
{{- end -}})
returning trackid, timestamp`
sql_select = `
{{- $tablename := or (and .schema (printf "%s.%s" .schema .tablename)) .tablename -}}
select {{ range $j, $c := .scols -}}
{{- if ne $j 0 -}}, {{ end }}{{ toLower $c }}{{- end }}
from {{ $tablename }}
where {{ range $j, $c := .qucols -}}
{{- if ne $j 0 }} and {{ end }}{{ toLower $c }} = ${{ add1 $j }}{{- end }}
{{ with .ordcols -}}
order by {{ range $j, $c := . -}}
{{- if ne $j 0 -}}, {{ end }}{{ toLower $c }}{{- end -}}
{{- end }}
{{ with .limit }}limit {{ . }}{{ end }}
`
)
var SqlCreate, SqlInsert, SqlSelect *template.Template
func init() {
SqlCreate = storage.Template("create_table", sql_table)
SqlInsert = storage.Template("insert_track", sql_insert)
SqlSelect = storage.Template("select_track", sql_select)
}