rework database

src/main/java/minevalley/core/api/Core.java

@@ -4,6 +4,7 @@
 import minevalley.core.api.armorstand.FakeArmorStand;
 import minevalley.core.api.corporations.Group;
 import minevalley.core.api.corporations.companies.*;
+import minevalley.core.api.database.StatementBuilder;
 import minevalley.core.api.discord.EmbeddedMessage;
 import minevalley.core.api.discord.Webhook;
 import minevalley.core.api.economy.BankAccount;
@@ -55,6 +56,7 @@
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.scheduler.BukkitTask;
 import org.bukkit.util.Vector;
+import org.intellij.lang.annotations.Language;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Contract;
 
@@ -174,6 +176,11 @@ public static BukkitTask runAsyncTaskPeriodically(long delay, long period, @Nonn
         return server.runAsyncTaskPeriodically(delay, period, task);
     }
 
+    @Nonnull
+    public static StatementBuilder prepareSQL(@Nonnull @Language("SQL") String sql) {
+        return server.prepareSQL(sql);
+    }
+
     /**
      * Registers an event listener.
      *

src/main/java/minevalley/core/api/CoreServer.java

@@ -4,6 +4,7 @@
 import minevalley.core.api.armorstand.FakeArmorStand;
 import minevalley.core.api.corporations.Group;
 import minevalley.core.api.corporations.companies.*;
+import minevalley.core.api.database.StatementBuilder;
 import minevalley.core.api.discord.EmbeddedMessage;
 import minevalley.core.api.discord.Webhook;
 import minevalley.core.api.economy.BankAccount;
@@ -51,6 +52,7 @@
 import org.bukkit.plugin.java.JavaPlugin;
 import org.bukkit.scheduler.BukkitTask;
 import org.bukkit.util.Vector;
+import org.intellij.lang.annotations.Language;
 import org.jetbrains.annotations.ApiStatus;
 
 import javax.annotation.Nonnegative;
@@ -80,6 +82,9 @@ public interface CoreServer {
     @Nonnull
     BukkitTask runAsyncTaskPeriodically(long delay, long period, @Nonnull Runnable runnable) throws IllegalArgumentException;
 
+    @Nonnull
+    StatementBuilder prepareSQL(@Nonnull @Language("SQL") String sql);
+
     void registerListener(@Nonnull Class<? extends Event> cls, @Nonnull EventListener<? extends Event> listener) throws IllegalArgumentException;
 
     void unregisterListener(@Nonnull Class<? extends Event> cls, @Nonnull EventListener<? extends Event> listener) throws IllegalArgumentException;

src/main/java/minevalley/core/api/database/ColumnType.java

@@ -0,0 +1,207 @@
+package minevalley.core.api.database;
+
+import lombok.AccessLevel;
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+public enum ColumnType {
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code BIT}.
+     */
+    BIT(-7),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code TINYINT}.
+     */
+    TINYINT(-6),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code SMALLINT}.
+     */
+    SMALLINT(5),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code INTEGER}.
+     */
+    INTEGER(4),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code BIGINT}.
+     */
+    BIGINT(-5),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code FLOAT}.
+     */
+    FLOAT(6),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code REAL}.
+     */
+    REAL(7),
+
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code DOUBLE}.
+     */
+    DOUBLE(8),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code NUMERIC}.
+     */
+    NUMERIC(2),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code DECIMAL}.
+     */
+    DECIMAL(3),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code CHAR}.
+     */
+    CHAR(1),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code VARCHAR}.
+     */
+    VARCHAR(12),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code LONGVARCHAR}.
+     */
+    LONGVARCHAR(-1),
+
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code DATE}.
+     */
+    DATE(91),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code TIME}.
+     */
+    TIME(92),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code TIMESTAMP}.
+     */
+    TIMESTAMP(93),
+
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code BINARY}.
+     */
+    BINARY(-2),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code VARBINARY}.
+     */
+    VARBINARY(-3),
+
+    /**
+     * <P>The constant in the Java programming language, sometimes referred
+     * to as a type code, that identifies the generic SQL type
+     * {@code LONGVARBINARY}.
+     */
+    LONGVARBINARY(-4),
+
+    /**
+     * <P>The constant in the Java programming language
+     * that identifies the generic SQL value
+     * {@code NULL}.
+     */
+    NULL(0),
+
+    /**
+     * The constant in the Java programming language that indicates
+     * that the SQL type is database-specific and
+     * gets mapped to a Java object that can be accessed via
+     * the methods {@code getObject} and {@code setObject}.
+     */
+    OTHER(1111),
+
+    /**
+     * The constant in the Java programming language, sometimes referred to
+     * as a type code, that identifies the generic SQL type
+     * {@code DISTINCT}.
+     *
+     * @since 1.2
+     */
+    DISTINCT(2001),
+
+
+    /**
+     * The constant in the Java programming language, sometimes referred to
+     * as a type code, that identifies the generic SQL type {@code BOOLEAN}.
+     *
+     * @since 1.4
+     */
+    BOOLEAN(16),
+
+    /**
+     * The constant in the Java programming language, sometimes referred to
+     * as a type code, that identifies the generic SQL type {@code REF CURSOR}.
+     *
+     * @since 1.8
+     */
+    REF_CURSOR(2012),
+
+    /**
+     * The constant in the Java programming language, sometimes referred to
+     * as a type code, that identifies the generic SQL type
+     * {@code TIME WITH TIMEZONE}.
+     *
+     * @since 1.8
+     */
+    TIME_WITH_TIMEZONE(2013),
+
+    /**
+     * The constant in the Java programming language, sometimes referred to
+     * as a type code, that identifies the generic SQL type
+     * {@code TIMESTAMP WITH TIMEZONE}.
+     *
+     * @since 1.8
+     */
+    TIMESTAMP_WITH_TIMEZONE(2014);
+
+    private final int type;
+}