/
physical_schema.go
169 lines (143 loc) · 4.19 KB
/
physical_schema.go
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package resources
import (
"context"
"database/sql"
"fmt"
"strings"
"github.com/abergmeier/terraform-provider-exasol/internal"
"github.com/abergmeier/terraform-provider-exasol/internal/exaprovider"
"github.com/abergmeier/terraform-provider-exasol/pkg/argument"
"github.com/abergmeier/terraform-provider-exasol/pkg/db"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)
// PhysicalSchema returns the schema.Resource for managing a non-virtual Schema
func PhysicalSchema() *schema.Resource {
return &schema.Resource{
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
Description: "Name of Schema",
},
},
CreateContext: createPhysicalSchema,
ReadContext: readPhysicalSchema,
UpdateContext: updatePhysicalSchema,
DeleteContext: deletePhysicalSchema,
Importer: &schema.ResourceImporter{
StateContext: importPhysicalSchema,
},
}
}
func createPhysicalSchema(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
c := meta.(*exaprovider.Client)
locked := c.Lock(ctx)
defer locked.Unlock()
err := createPhysicalSchemaData(d, locked.Tx)
if err != nil {
return diag.FromErr(err)
}
return diag.FromErr(locked.Tx.Commit())
}
func createPhysicalSchemaData(d internal.Data, tx *sql.Tx) error {
name, err := argument.Name(d)
if err != nil {
return err
}
stmt := fmt.Sprintf("CREATE SCHEMA %s", name)
_, err = tx.Exec(stmt)
if err != nil {
return err
}
d.SetId(strings.ToUpper(name))
return nil
}
func deletePhysicalSchema(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
c := meta.(*exaprovider.Client)
locked := c.Lock(ctx)
defer locked.Unlock()
err := deletePhysicalSchemaData(d, locked.Tx)
if err != nil {
return diag.FromErr(err)
}
return diag.FromErr(locked.Tx.Commit())
}
func deletePhysicalSchemaData(d internal.Data, tx *sql.Tx) error {
name := d.Get("name").(string)
stmt := fmt.Sprintf("DROP SCHEMA %s", name)
_, err := tx.Exec(stmt)
if err != nil {
return err
}
d.SetId("")
return nil
}
func importPhysicalSchema(ctx context.Context, d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
c := meta.(*exaprovider.Client)
locked := c.Lock(ctx)
defer locked.Unlock()
err := importPhysicalSchemaData(ctx, d, locked.Tx)
if err != nil {
return nil, err
}
err = locked.Tx.Commit()
if err != nil {
return nil, err
}
return []*schema.ResourceData{d}, nil
}
func importPhysicalSchemaData(ctx context.Context, d internal.Data, tx *sql.Tx) error {
r, err := tx.QueryContext(ctx, "SELECT SCHEMA_NAME FROM SYS.EXA_SCHEMAS WHERE UPPER(SCHEMA_NAME) = UPPER(?) AND SCHEMA_IS_VIRTUAL = false", d.Id())
if err != nil {
return err
}
if !r.Next() {
return fmt.Errorf("schema %s not found", d.Id())
}
d.SetId(strings.ToUpper(d.Id()))
return nil
}
func readPhysicalSchema(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
c := meta.(*exaprovider.Client)
locked := c.Lock(ctx)
defer locked.Unlock()
return readPhysicalSchemaTx(ctx, d, locked.Tx)
}
func readPhysicalSchemaTx(ctx context.Context, d internal.Data, tx *sql.Tx) diag.Diagnostics {
name, err := argument.Name(d)
if err != nil {
return diag.FromErr(err)
}
res, err := tx.QueryContext(ctx, "SELECT SCHEMA_NAME FROM SYS.EXA_SCHEMAS WHERE UPPER(SCHEMA_NAME) = UPPER(?) AND SCHEMA_IS_VIRTUAL = FALSE ", name)
if err != nil {
return diag.FromErr(err)
}
if !res.Next() {
return diag.Errorf("Schema %s not found", name)
}
d.SetId(strings.ToUpper(name))
return nil
}
func updatePhysicalSchema(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
c := meta.(*exaprovider.Client)
locked := c.Lock(ctx)
defer locked.Unlock()
err := updatePhysicalSchemaData(d, locked.Tx)
if err != nil {
return diag.FromErr(err)
}
return diag.FromErr(locked.Tx.Commit())
}
func updatePhysicalSchemaData(d internal.Data, tx *sql.Tx) error {
if d.HasChange("name") {
old, new := d.GetChange("name")
err := db.Rename(tx, "SCHEMA", old.(string), new.(string), "")
if err != nil {
return err
}
d.Set("name", new)
}
_ = d.Get("name").(string)
return nil
}