add change table.

database/postgres/psqlcore/changes.sql.go

@@ -0,0 +1,138 @@
+// Code generated by sqlc. DO NOT EDIT.
+// source: changes.sql
+
+package psqlcore
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/lib/pq"
+)
+
+const deleteChange = `-- name: DeleteChange :exec
+DELETE FROM data_change WHERE id = $1
+`
+
+func (q *Queries) DeleteChange(ctx context.Context, id string) error {
+	_, err := q.db.ExecContext(ctx, deleteChange, id)
+	return err
+}
+
+const insertChange = `-- name: InsertChange :exec
+INSERT INTO data_change (id, model, op, author, listed, date, keys, objects)
+VALUES (
+    $1::text, $2::text, $3::text, $4::text,
+    $5::boolean, $6::timestamp, $7::text[],
+    $8::jsonb
+)
+`
+
+type InsertChangeParams struct {
+	ID      string          `json:"id"`
+	Model   string          `json:"model"`
+	Op      string          `json:"op"`
+	Author  string          `json:"author"`
+	Listed  bool            `json:"listed"`
+	Date    time.Time       `json:"date"`
+	Keys    []string        `json:"keys"`
+	Objects json.RawMessage `json:"objects"`
+}
+
+func (q *Queries) InsertChange(ctx context.Context, arg InsertChangeParams) error {
+	_, err := q.db.ExecContext(ctx, insertChange,
+		arg.ID,
+		arg.Model,
+		arg.Op,
+		arg.Author,
+		arg.Listed,
+		arg.Date,
+		pq.Array(arg.Keys),
+		arg.Objects,
+	)
+	return err
+}
+
+const selectChangeByID = `-- name: SelectChangeByID :one
+SELECT id, model, op, author, listed, date, keys, objects FROM data_change WHERE id = $1 LIMIT 1
+`
+
+func (q *Queries) SelectChangeByID(ctx context.Context, id string) (DataChange, error) {
+	row := q.db.QueryRowContext(ctx, selectChangeByID, id)
+	var i DataChange
+	err := row.Scan(
+		&i.ID,
+		&i.Model,
+		&i.Op,
+		&i.Author,
+		&i.Listed,
+		&i.Date,
+		pq.Array(&i.Keys),
+		&i.Objects,
+	)
+	return i, err
+}
+
+const selectChanges = `-- name: SelectChanges :many
+SELECT id, model, op, author, listed, date, keys, objects FROM data_change
+WHERE ($1::bool = false OR keys && ($2::text[]))
+  AND ($3::bool = false OR date >= $4::timestamp)
+  AND ($5::bool = false OR date <= $6::timestamp)
+  AND ($7::bool = false OR author = $8::text)
+LIMIT $9::int
+`
+
+type SelectChangesParams struct {
+	FilterKeys         bool      `json:"filter_keys"`
+	Keys               []string  `json:"keys"`
+	FilterEarliestDate bool      `json:"filter_earliest_date"`
+	EarliestDate       time.Time `json:"earliest_date"`
+	FilterLatestDate   bool      `json:"filter_latest_date"`
+	LatestDate         time.Time `json:"latest_date"`
+	FilterAuthor       bool      `json:"filter_author"`
+	Author             string    `json:"author"`
+	LimitSize          int32     `json:"limit_size"`
+}
+
+func (q *Queries) SelectChanges(ctx context.Context, arg SelectChangesParams) ([]DataChange, error) {
+	rows, err := q.db.QueryContext(ctx, selectChanges,
+		arg.FilterKeys,
+		pq.Array(arg.Keys),
+		arg.FilterEarliestDate,
+		arg.EarliestDate,
+		arg.FilterLatestDate,
+		arg.LatestDate,
+		arg.FilterAuthor,
+		arg.Author,
+		arg.LimitSize,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []DataChange{}
+	for rows.Next() {
+		var i DataChange
+		if err := rows.Scan(
+			&i.ID,
+			&i.Model,
+			&i.Op,
+			&i.Author,
+			&i.Listed,
+			&i.Date,
+			pq.Array(&i.Keys),
+			&i.Objects,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}

database/postgres/psqlcore/models.go

@@ -4,6 +4,8 @@ package psqlcore
 
 import (
 	"database/sql"
+	"encoding/json"
+	"time"
 )
 
 type CoreCounter struct {
@@ -11,6 +13,17 @@ type CoreCounter struct {
 	Value sql.NullInt32 `json:"value"`
 }
 
+type DataChange struct {
+	ID      string          `json:"id"`
+	Model   string          `json:"model"`
+	Op      string          `json:"op"`
+	Author  string          `json:"author"`
+	Listed  bool            `json:"listed"`
+	Date    time.Time       `json:"date"`
+	Keys    []string        `json:"keys"`
+	Objects json.RawMessage `json:"objects"`
+}
+
 type DataChannel struct {
 	Name         string `json:"name"`
 	Logged       bool   `json:"logged"`